Reaction propulsion
反作用力推进
🧩 词语组成解析
🗣️ 情景例句
I won't permit you to buy a crossbow, now or ever.
我不会允许你买弓弩的，永远也不会。
Reason governs the wise man a cudgels the fool.
理智指导聪明人，而且打击愚蠢汉。
I often watch TV, but sometimes I read.
我经常看电视，有时看书。