P-bromobenzenesulfonyl
[化] 对溴苯磺酰基
🗣️ 情景例句
How many people will you be bringing?
你约了多少人来？
This is my third year of college, I'm a junior.
这是我上大学的第三年，我是三年级学生。
She arrived in England a week after the Thermopylae.
它抵达英国时比“塞姆皮雷”号晚了1个星期。