Pentabromization
[化] 五溴化反应
🗣️ 情景例句
Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好，他愿出诊，但他在下午2点后才有空。
People are always changing, aren't they?
人总是在变，不是吗？
It would strike twelve in twenty minutes' time.
再过20分钟，大钟将敲响12下。