“无效”怎么读

“无效”的英语可以翻译为：of no avail，to no avail，invalid，null and void，be of no effect ...

“无效”的反义词：有效, 收效, 灵验。...

如果可的松无效，我恐怕只能动手术了。If the cortisone doesn't take, I may have to have surgery.令人震惊的是，这种既无效又危险的手术直到20世纪30年代才被废止。Shockingly, this useless and dangerous surgery did not end until the 1930s.一份官方法令宣布在首都举行的投票无效。An official ...

n.（管理球棒等的）棒球队球童...

enter的现在进行时为：entering...

We're unwitting victims of the system.我们都是该系统的不知情的受害者。He became an unwitting accomplice in the crime.他糊里糊涂地成了犯罪的帮凶。She was the unwitting tool of the swindlers.她不知不觉地被这些诈骗犯所利用,成了他们的工具....

baguette的音标：baguette的英式发音音标为：[bæ'get]baguette的美式发音音标为：[bæ'ɡɛt]...

上个月提议的变动在3月份的预算中已经有所预兆了。The change proposed last month was foreshadowed in the March Budget.1981年的预算促成了一场经济奇迹的出现。The 1981 budget was the springboard for an economic miracle.他通过严格控制公共开支保持预算平衡。He balanced his budgets by ri...

gab的第三人称单数（三单）为：gabs...

The AIDS epidemic further stigmatised gays...艾滋病的流行让人们更加瞧不起男同性恋者。Children in single-parent families must not be stigmatised...单亲家庭的孩子们不应该受到歧视。He was stigmatised as an ex - convict.他遭人污辱,说他给判过刑.Children in single-parent f...

n.忠诚...

The new system is still in the planning stages.新体系仍处于规划阶段。Talk things through in stages. Do not accuse or apportion blame.把事情按部就班地讲清楚。不要责难或归罪于人。Steve and I were at very different stages in our respective careers.史蒂夫和我在各自...

pelt的复数形式为：pelts...

shop的复数形式为：shops...

I'm statistic-phobic, and hopelessly ignorant of medicine.我对统计数据感到恐惧，对药物一窍不通。In practice this statistic suggests a few very large winners and a great many losers.这一统计数表明实际上大赢家只是少数,而吃亏者却不乏其人.Statistic Analysis ( SAS ...

dedicatory的音标：dedicatory的英式发音音标为：['dedɪkətərɪ]dedicatory的美式发音音标为：['dedəkəˌtɒrɪ]...

She loaded up his collection of vintage wines into crates.她把他收藏的陈年佳酿装进板条箱里。We've also got a bonus quiz with crates of beer as prizes!我们还获得了一次参加有奖智力竞赛的机会，奖品是成箱的啤酒！Mahoney had lined up two of the crates.马奥尼已经摆好了其中两个板条...

There was very little snobbery or class-consciousness in the wartime navy.战时的海军中很少有势利眼，阶级意识也不强。His wartime exploits were later made into a film.他在战争中的英勇行为后来被改编成一部电影。Different rules applied in wartime.战时实施不同的规定。...