Reaction propulsion
反作用力推进
🧩 词语组成解析
🗣️ 情景例句
Because I care.
因为我关心。
Please try to estimate the extent of the damage.
请估计一下受损害的程度吧。
When Harry put on his act of being mildly annoyed, the assistant promised to order some for him.
哈里装出不高兴的样子时，女售货员答应为他定货。