Perchlormethylformate
[医] 双光气, 聚光气(毒气之一种)
🗣️ 情景例句
I feel strongly that I can make it.
我坚信我一定能成功。
If she could help you, she would help you.
如果她能帮你的话，她会帮你的。
Because it's winter now. The weather here is very cold in winter, isn't it?
因为现在是冬天。这儿的冬天天气非常冷，对吗？