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

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.

So when a little air resistance side, the funds will give up long leave.

因此稍遇空方抵抗, 多头资金便放弃离场.

Less power is required to overcome air resistance in streamlined machines.

流线型机器在克服空气阻力时所需能量要相对少些.

Air resistance must be considered when aircraft are to be manufactured.

要造飞机就必须考虑空气阻力的问题.

Extra weight increases the consumption of fuel as does increased air resistance.

额外的重量会加大燃油消耗并且增加空气阻力.

Densometer: Itstrument that measures the air resistance of an area of paper.

透气度计: 量度一面积的纸骊空气的阻力的仪器.

The present case needs to reduce the air-resistance to the minimum.

现在需要的是把空气阻力减小到最低限度.

Neglecting friction and air resistance, the pendulum's mechanical energy is constant.

忽略支点的摩擦和空气对摆的阻力, 摆的机械能为恒量.