🧩 词语组成解析
n. [植]罗汉松
🗣️ 情景例句
you used to be in the construction business.
你过去在建筑界工作。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
Oh, yes, I bought one, but I can't find it now.
噢，是，我买了票的，但现在找不见了！