Polysubstituted
多取代的
🗣️ 情景例句
May I see you in my office?
你可以到我的办公室来一下么？
Is it illegal to tap a telephone for the purpose of secretly recording a conversation?
为了秘密地录下谈话，在电话内装置窃听器是违法的行为吗？
There's something wrong with Kate.
凯特有些舒服。