试题题干
Translate the following sentence into Chinese.
When the spaceship leaves the earth at tremendous speed, the astronauts feel as if they are being crushed against the spaceship floor.
参考答案
试题解析
考点：spaceship宇宙飞船；at tremendous speed以极快的速度。
句子结构：When引导时间状语从句，主句为the astronauts feel，as if···为宾语从句。