Reaction force
[机] 反动力
🧩 词语组成解析
force
[fɔ:s]
n. 力;武力;（社会）势力;魄力;
vt. 强迫;强行;促使，推动;强奸;
🗣️ 情景例句
When is check-out time?
什么时候必须结帐和离开宾馆？
It is better to be alone than in bad company.
无友要比交坏友好。
Which do you prefer, horse riding or shooting?
你比较喜欢哪一种呢，骑马还是射击？