Noxious substance
[法] 有害物
🧩 词语组成解析
🗣️ 情景例句
I generally go to bed at ten.
我通常十点钟睡觉。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
We'd like a chance to bid on this business.
我们希望能有机会投标这笔生意。