Travtive force
[電] 牽引力
?? 詞語組成解析
force
[f?:s]
n. 力;武力;（社會）勢力;魄力;
vt. 強迫;強行;促使，推動;強奸;
??? 情景例句
It's good for every day. It will be good for school, Michelle.
這套衣服每天都可以穿。它適合上學時穿， Michelle。
Speaking without thinking is shooting without taking aim.
講話不思考猶如射擊不對準目標。
He's younger and stronger than you are.
他比你年輕，比你強壯。