Air raid shelters and similar installations are usually located in solid rock for obvious reasons.

There had been air raid warning, and the train slowed to thirty miles an hour.

由于空袭警报已拉响, 车速减到每小时三十英里.

An air raid warning stridently interrupted his thoughts.

刺耳的空袭警报声打断了他的沉思.

All the air raid warnings , without exception , had been false alarm.

所有空袭预告-- 毫无例外 --都是虚假警报.

An air-raid alarm sounded in the depths of night.

深夜响起了空袭警报.

She was terrified of being killed in an air raid.

她害怕空袭时会被炸死.

East London was still smoking from the previous night's air raid.

昨夜伦敦东区遭到敌机轰炸,至今还硝烟弥漫.

Air raid wardens in tin hats self-importantly stalked the streets.

空袭民防队员戴着钢盔神气活现地走在街上昂首阔步.

Our house was blown up in an air raid.

在一次空袭中我们的房子被炸掉了.

In an air raid last night the enemy aircraft bombed the city.

在昨晚的空袭中敌机轰炸了该城.

The family was killed in an air raid.

这家人在一次空袭中遇难。

It sounds like an air raid siren.

那听起来像是空袭警报。

People were making for the air-raid shelters below ground.

人们正奔向地下防空洞。

Messengerliu shun cheng serious injuries will be the first blind embrace into the air-raid shelter.

通信员刘顺成身负重伤,将双目失明的先有挟进防空洞.

Baotianman Wildlife Nature Reserve is not only the natural " air-raid shelter. "

宝天曼自然保护区不仅是野生动物的天然 “ 防空洞 ”.

The destruction of air raid shelter is caused by collapsibility.

因湿陷引起防空洞破坏,导致住宅楼地基下陷,拉裂墙体.

If gravity and air resistance in equilibrium the parachute would just hang motionless in the air.

假设重力和空气阻力大小相等,降落伞会静止在空中.

Then, disregarding the influence of the air resistance, I see the stone descend in a line.

然后, 忽视空气阻力的影响, 我在一条直线看见石头下降.

This increases their air-resistance and reduces the shock of impact when they the ground.

这一做法增加了对空气的阻力,以及减少在落地时震动的冲击力.

This increases their air-resistance and reduces the shock of impact when they bit the ground.

这样可以增加空气阻力,减小它们摔到地面上的撞击力.

We do not bother about air resistance because it is far smaller than water resistance.

我们不必为空气的阻力多伤脑筋;因为与空气阻力相比水阻力要小得多.