P-bromobenzenesulfonyl
[化] 对溴苯磺酰基
🗣️ 情景例句
do I really have to
我是不是真的有必要
So I appreciate your making time in your schedules to attend today.
因此非常感谢你们今天能够抽出时间来参加这次会议。
It's black. It's a black car.
是黑色的，一辆黑色的车。