umbilical cord

英：[ʌmˌbɪlɪkl ˈkɔ:d]

美：[ʌmˌbɪlɪkl ˈkɔrd]

noun

a cord arising from the navel that connects the fetus with the placenta and through which respiratory gases, nutrients, and wastes pass

yolk stalk

a tethering or supply line (as for an astronaut outside a spacecraft or a diver underwater)

a necessary, supportive, or nurturing link or connection

脐带

脐带

The first known use of umbilical cord was in 1753

break1 of 2verb

to separate into parts suddenly or forcibly glass breaks easily break a bone

break a stick

to fracture a bone of

broke her arm

to curl over and fall apart

waves breaking against the shore

to fail to keep : violate break a promise

broke the law

to force a way break out of jail

burglars broke into the house

to appear or burst forth suddenly the storm broke pandemonium broke loose

day was breaking in the east

to become fair

wait for the weather to break

to run suddenly

break for cover

to penetrate the surface of

fish breaking water

to cut into and turn over the surface of

break ground for a new school

to defeat completely : crush

broke the revolt

to lose or cause to lose health, strength, or spirit broken by grief

broke under the strain

to lose or cause to lose the ability to function because of damage, wear, or strain I broke my watch

the TV set is broken

to reduce in rank

to bring to an end : stop broke silence

break a habit

to have or cause an interruption broke in with a comment

we'll break to let local stations identify themselves

to train an animal

break a horse to the saddle

to make known

break the news

to turn aside or lessen the force of

the bushes broke his fall

to do better than

broke the school record

open entry 2 sense 1a broke the shotgun to load it

break an electric circuit

solve

broke the code

to curve, drop, or change direction sharply

the pitch broke over the plate for a strike

to change sharply in tone, pitch, or intensity

her voice broke

break2 of 2noun

an act, action, or result of breaking

a gap in an electric circuit interrupting the flow of current

a short rest from or an interruption of work, duty, or studies

a planned interruption in a radio or television program

a noticeable change (as in a surface, course, movement, or direction)

a sudden run : dash

a place or situation at which a break occurs : gap

a stroke of luckespecially: a stroke of good luck got all the breaks

a bad break

a favorable situation

a big break in show business

favorable treatment

a tax break

getverb

to gain possession of (as by receiving, acquiring, earning, buying, or winning) got first prize get a dog

get a present

to obtain by request or as a favor

get your mother's permission

to come to have

get a good night's sleep

to come down with (an illness) : catch

get the measles

to succeed in coming or going got home early

got out

to cause to come or go

got the car to the gas station

to become the father of : beget

to cause to be in a certain condition got her feet wet

got his hair cut

become sense 1 get better it's getting warmer

get sick

prepare sense 2

started getting dinner

baffle entry 1 sense 1, puzzle

the third question got everybody

irritate sense 1

don't let it get you

hit entry 1 sense 1c

got him in the leg

kill entry 1 sense 1

swore to get them

to be subjected to or experience

get a broken nose

to receive as punishment

got six months for stealing

to find out by calculation

got the right answer

to hear correctly

I didn't get your name

understand sense 1a I get you

now I've got it

persuade, induce

couldn't get her to agree

have entry 1 sense 1—used in the present perfect form with present meaning

I've got no time

to have to : must—used in the present perfect form with present meaning

has got to come

to be able

got to go swimming

deliver sense 6

the car gets 20 miles to the gallon

to leave immediately

told them to get

eventnoun

something usually of importance that happens

a social occasion or activity (as a party)

eventuality

in the event of rain the ceremony will be held indoors

any of the contests in a program of sports

track-and-field events

a possible result in an experiment in probability or statistics

rolling a 7 is an event in the throwing of two dice

evidence1 of 2noun

an outward sign : indication gave no evidence that he was going to bunt

evidence of the life of ancient people

material presented to a court to help find the truth in a matter

evidence2 of 2verb

to be or give evidence of : prove

explain awayverb

to cause to seem less important by explaining

explained away her mistake

catch1 of 2verb

to capture or seize in flight or motion catch a ball

catch butterflies

trap entry 2 sense 1a

to discover unexpectedly

was caught in the act

to stop suddenly

caught himself before he gave away the secret

to take hold of : snatch

to get entangled

catch a sleeve on a nail

to have the parts connect firmly

this lock will not catch

to attach, join, or fasten tightly

to fall sick with

catch a cold

to take or get for a short time or quickly catch a little sleep

catch a glimpse of a friend

to catch up to

will have to hurry to catch the leaders

to get aboard in time

catch the bus

understand sense 1a

didn't catch what she said

to play baseball as a catcher

catch2 of 2noun

something caught

the quantity caught at one time

a large catch of fish

the act of catching

a pastime in which a ball is thrown and caught

something that checks, fastens, or holds immovable

a catch on a door

one worth discovering or finding

a round for three or more voices

a hidden difficulty

there must be a catch

lay1 of 5verb

to beat or strike down

wheat laid flat by the wind and rain

to put or set on or against a surface or in order lay bricks

lay the book on the table

to place for rest or sleepespecially: bury sense 1

to produce and deposit eggs

nonstandard lie entry 1

to cause to settlealso: to make calm : allay laid his fears

a shower laid the dust

to spread over a surface

lay plaster

to make ready : prepare lay a table

lay plans

to deposit as a wager : bet

I'll lay you $10 on that

impose sense 1a lay blame

lay a tax

to place or assign in one's scheme of things

lays great stress on manners

to bring to a specified condition

lay waste to the land

to put forward : submit

lay claim to an estate

lay2 of 5noun

the way in which a thing lies in relation to something else

lay of the land

lay3 of 5

un-1 of 2prefix

not unkindness

unskilled

opposite of : contrary to ungodly

unconstitutional

un-2 of 2prefix

do the opposite of : reverse

undress

remove a specified thing from

unburden

umbilical cordnoun

a cord that contains blood vessels and connects the navel of a fetus with the placenta of the mother

umbilical cordnoun

a cord arising from the navel that connects the fetus with the placenta and contains the two umbilical arteries and the umbilical vein