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...air-raid drills.是什么意思？

...air-raid drills.

防空演习

相关词汇
drills

drills

n. 操练( drill的名词复数 )，钻头，军事训练，（应对紧急情况的）演习；v. 钻（孔）( drill的第三人称单数 )，打（眼），操练，训练；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
...an Irish draught mare.
爱尔兰役用母马
'They were divine,' she sighs, dreamily...
“他们是神圣的,”她神情恍惚地叹了口气。
Anybody who's listening will get the drift of what he was saying...
任何一个在专心听的人都会领悟他所说的大意。
There have been proposals to drill for more oil...
有人提议钻探更多的石油。
Claire had seen the taxi drawing away...
克莱尔看到出租车缓缓开走了。
In the dining-room the draperies create an atmosphere of elegance.
在餐厅里，打褶装饰物能营造雅致的氛围。
There was none of the drama and relief of a hostage release...
丝毫没有释放人质时的那种激动和如释重负的感觉。
For all its drama, the event was not unexpected.
虽然这件事带有戏剧性，但并不意外。
His clothes are soaked in dribble.
他的衣服被口水浸湿了。
They turned fire hoses on the people and drenched them...
他们将消防水管对着人们，把他们浇了个透。
...a dentist's drill.
牙钻
We need to offer young people drifting into crime an alternative set of values...
我们需要给那些无意间犯了罪的年轻人灌输另一套价值观。
...a nine-foot snow drift.
9英尺深的雪堆
This is a great drawing by one of the 19th century's finest draughtsmen.
这幅恢宏画作出自一位19世纪最杰出的画家之手。