Pentachlorobenzene
五氯苯
🗣️ 情景例句
What was that about?
说些什么？
You will leap for joy when you hear the answer.
如果你听到了答案，你会高兴的跳起来的。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。