Phosphonoacetone
二氧磷基丙酮
🗣️ 情景例句
I want to make a deposit.
我想存钱。
Thank you, if it's not too much trouble.
谢谢了，如果不是太麻烦的话。
I think we're lost! What shall we do?
“我想我们迷路了！我们该怎么办呢？”