英:[ˈju:sfəlnəs]
美:[ˈjusfəlnɪs]
英:[ˈju:sfəlnəs]
美:[ˈjusfəlnɪs]
词根:use
adj.usable 可用的;合用的(等于useable)
useful 有用的,有益的;有帮助的
used 习惯的;二手的,使用过的
useless 无用的;无效的
useable 可用的;便于使用的(等于usable)
adv.usefully 有效地,有用地
uselessly 无用地;无益地
n.usage 使用;用法;惯例
use 使用;用途;发挥
using 使用;利用
user 用户;使用者
usability 合用,可用;可用性
usableness 可用;使用方便
uselessness 无用,无效
v.used 用;习惯(use的过去式)
using 使用(use的ing形式)
vi.use 使用,运用
vt.use 利用;耗费
效用
The first known use of usefulness was in 1618
1 For the rest, lacking that instinctive nursing gene, it can be hard to establish where real usefulness lies.
2 I do think the narrator is at least trying to convince himself that there’s some inherent usefulness to the job when it comes to his true desire of being an actor.
3 The character will be missed, but it’s also a good time to say goodbye; the “Stephen Colbert” of The Colbert Report narrowly avoided outliving his usefulness as a comic device.
4 But to me, that role has outlived its usefulness.
5 Through parsing her own usefulness as an activist and learning to reject what she called Nashville’s “scarcity complex” among female performers in favor of community, Morris found her footing again.
6 But when box-office success can greet a travesty like The Tourist, which has taken years to exhaust its usefulness as an all-purpose punchline to any Hollywood joke, something is wrong.
7 Thousands of sites use RSS and more people understand its usefulness every day.
数千站使用着RSS并且每天有越来越多的人明白了它的有用之处.
8 The Greeks saw the usefulness of zero in their calculations, yet they still rejected it.
9 Alloys are important because of their usefulness in industry.
(原因状语)由于合金在工业中有用而显得很重要.
10 Mr. Bromell found that in the classified realms, paper and film retain their usefulness because they are harder to hack into than computers and cellphones.
11 Working answers: sometimes, and its usefulness depends on the audience.
12 Knowledge of this kind of ignorance leads to humility, and also to the awareness that what may seem useless, because it is not rewarded and recognized, might one day be of the greatest usefulness.
13 I can see – with some difficulty – the usefulness of that.
14 It was an example to us of how little we know about the potential usefulness of partnership parenting.
15 This places its usefulness on par with the frenetic montage of entertainment news headlines about Ye that bridge chasms in the timeline when the filmmaker wasn't part of his subject's inner circle.
16 The extent and meaning of this trend have been hotly debated by psychologists, some of whom question the tests' usefulness and say that young people today aren't any more self-centered than those of earlier generations.
17 Despairing of the efficacy of medicine and the usefulness of exertion, Nancy has dropped out of medical school; this sentimental journey to Mexico is meant as the first uncertain step in a new life.
18 Lawmakers also limited the information the DMV could legally release, a measure whose usefulness has since withered.
19 When he retired he felt that he had outlived his usefulness , ie was no longer useful.
他退休时方觉得自己年老无用了.
20 What I see I inspire with usefulness, I think, trying to suck in breath, and all that I do not see is useless, void.
2 有用
available useful helpful practical profitable serviceable subservient answerable subservience help avail dow of service worthwhile impactful profit-making utile usefully availably use service utility usability serviceability serve do some good be of service nifty helpfully value helpfulness good great friendly beneficial be of use to be of service to be of use valuable handy meaningful earn your keep
3 有效
good sound effective active useful valid alive devastating potent operative telling forcible efficacious effectual effectively usefully effectually tellingly potently availably validness availability run hold stand avail validate effectuate with effect with advantage of service of help do good to the good hold true to advantage
4 有用性
5 实用性
6 能用