Travtive force
[电] 牵引力
🧩 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
There has been very little progress this term.
这学期没有什么进步。
He that would eat the kernel must crack the nut.
要把果仁吃，就得碎果壳。
They both started to pick them up again.
她们俩开始把散落的糖捡起来。