Perchlormethylformate
[医] 双光气, 聚光气(毒气之一种)
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
Present at the meeting were Clare Flower, Tom Goode, the lawyer and the detective, who was introduced to everyone as the lawyer's assistant.
出席会议的有克莱尔·弗劳尔、汤姆·古德、律师与被当作律师助理介绍给大家的侦探