P-bromobenzenesulfonyl
[化] 对溴苯磺酰基
🗣️ 情景例句
since this is so easy ....
既然那么简单……
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
Some time ago, however, a peculiar fish was caught near Madagascar.
然而不久前，在马达加斯加附近的海里却捕到了一条奇怪的鱼。