Friction force
[化] 摩擦力
🧩 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
Life is full of ups and downs.
生活充满起伏。
Everyone's ready and waiting for you.
大家都好了，就等你啦！
She understood I was begging for new words, for the names of the things I touched.
她懂得我是在求她教新单词--我所触摸的东西的名称。