Heptachloropropane
七氯丙烷
🗣️ 情景例句
I got lost for two days and I couldn't find anyone who could understand me.
我已经迷路两天了，找不到一个人可以听懂我的话。
I've got a pain in my throat.
我的喉咙痛。
Please say hello to your mother for me.
请代我向你母亲问好。