If we could power such an elevator with solar energy, we could simply rise up into space for a fraction of the cost of a trip by rocket or shuttle.

如果我们能利用太阳能为这样的电梯提供动力，我们只需花费乘坐火箭或航天飞机旅行费用的一小部分就能进入太空。

youdao

They are flying to the moon by rocket.

乘坐火箭飞向月球。

youdao

I'll fly to the moon by rocket some day.

总有一天我会乘坐火箭到月球上去。

youdao

Navi Pillay, in Geneva, criticized Hamas leaders for the harm caused to Israeli civilians by rocket fire.

VOA: special.2009.01.10

You might see a war movie in which an airplane has been hit by rocket fire.

VOA: special.2010.04.18

For instance,he says, a UN compound recently was hit by rocket fire, a World Food Program convoy came under attack and non-governmental organizations are frequent victims of armed robbery by criminals.

VOA: standard.2009.08.07

Earlier this week, an Israeli woman was killed by rocket fire, the first such fatality this year.

NPR: Gaza Rockets Challenge Israeli Security

As a presidential candidate in 2008, Obama visited Sderot, which is frequently targeted by rocket attacks from the nearby Gaza Strip.

NPR: Gaza Militants Fire At Israel During Obama Visit

They will also presumably look at the threat posed by rocket-propelled grenades, an older but still effective means of bringing down aircraft.

ECONOMIST: The shoulder-held threat | The