?? 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;
unit
['ju:nit]
n. 單位，單元;裝置;個體;[數]單位數;
??? 情景例句
Would you like something to eat?
來吃點東西， 好嗎？
I ask him to pay you now.
我要求他現在付錢給你。
Yes.He must remain in bed for another two days.
是的，他還必須臥床兩天。