Frictional force
[机] 磨擦力
🧩 词语组成解析
a. 摩擦的, 由摩擦而生的\\n[机] 磨擦力, 磨擦上的
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
And guess what?
你们猜怎么着？
There are two sides to every question.
每个问题都有两个方面。
He wanted to buy a $300 watch for his wife,
他走进一家高级商店，要为妻子买一块价值300英镑的手表。