Stam
n. 斯塔姆（男子名）；敌稗（除草剂）
🗣️ 情景例句
I did both with Richard and Susan,
有Richard和Susan时我这样做，
I know the boy whose father is a merchant.
我知道那个男孩的父亲是商人。
I don't know. I haven't made up my mind yet.
不知道。我还没下定决心呢。