例句
You must wear a helmet when riding here.
在這裡騎車必須戴頭盔。
Governments must ensure that all children have access to quality education, regardless of their family income.
政府必須確保所有兒童都能接受優質教育，不論其家庭收入如何。
常用搭配
- must be｜一定是
- must have done｜想必已經做過
- an absolute must｜絕對必需的事物
用法提示
must 作動詞時是情態動詞；mustn't 表示禁止，並非「不必」。