Pentachloronitrobenzene
五氯硝基苯
🗣️ 情景例句
I took a month off for a holiday.
我休了一个月假。
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
Sorry, I don't know. My watch is at home.
对不起，我不知道，我把表放在家里了。