随着一级空火箭和一个月球探测器分别撞击到月球表面不同的两座环形山上，美国航空航天局（NASA）的大型“双重撞月”行动在今天早晨取得了成功。

NASA's double sledgehammer shot to the moon succeeded early this morning when an empty rocket stage and a lunar probe each crashed into separate craters.

youdao

奔驰那些工程师的天才想象力描绘出车的另一个安全配件——现在情况很难实现——车门外减轻侧面撞击（车祸中侧撞带来的伤害远比正撞大得多）的保护横梁。

Another part of the car that Mercedes engineers imagine inflating is, improbably, the steel side-impact protection bars in the doors of our cars.

youdao

在过去的20亿年来，许多小行星和彗星撞击月球，留下撞痕，并在月球表面上遗留下大约10000亿吨水。

In the past 2bn years, asteroids and comets have ploughed into the moon, dumping an estimated ten thousand billion tonnes of water onto its surface.

youdao