P-bromobenzenesulfonyl
[化] 对溴苯磺酰基
🗣️ 情景例句
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
If you trust before you try,you may repent before you die.
不经考验就依赖，不到瞑目便的悔。
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。