英:[dʒet stri:m]
美:[dʒɛt strim]
英:[dʒet stri:m]
美:[dʒɛt strim]
射流,急流;
noun
a long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 miles (402 kilometers) per hour
急流
出现在大气中的窄而强的风速带, 其上下和两侧分别具有强烈的垂直和水平切变。
The first known use of jet stream was in 1947
jimsonweednoun
a tall poisonous weed that is related to the potato and has bad-smelling leaves, large white or violet trumpet-shaped flowers, and a prickly fruit
jim-dandynoun
something very good
jim crownoun
discrimination against Black people enforced by law especially in the southern U.S. from 1877 until the mid-20th century
jim crownoun
discrimination against Black people enforced by law especially in the southern U.S. from 1877 until the mid-20th century
jigsaw puzzlenoun
a puzzle consisting of small pieces of various shapes that are to be fitted together to form a picture
jet streamnoun
a long narrow wandering current of high-speed winds blowing from a generally westerly direction several miles above the earth's surface
1 Call it May gray light, and attribute it to the wind, which will carry less moisture ashore from the northern jet stream.
2 During La Niña, the jet stream tends to be farther north, causing drier conditions across the U.S. Southwest.
3 The stream had become a raging torrent.
小河变成了一条汹涌的急流。
4 A jet stream is a narrow band of strong winds several kilometres above ground.
高空急流是距离地面数公里高的狭窄强风带。
5 A separate sole plate heats up the steam even more, producing a more powerful jet.
一个分离的熨斗底板把蒸汽加得更热了,产生了一股更强劲有力的喷射气流。
6 In both, propulsive force is derived from the reaction produced by a stream of air driven rearwards at high velocity.
这两类发动机都是靠高速向后喷射气流所得到的反作用力而发出推力的。
7 Sandstorms and high level jet stream always occurred together.
沙尘暴与高空急流总是相伴出现.