R48
[医] 双-2-氯乙基-β-萘胺
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
I can't afford it.
我买不起。
Well, for example, you can have a cold, but first you have to catch a cold.
哦，例如，你可能“患感冒”，但你首先得“伤风”。