Fluodichloride
一氟二氯化物
🗣️ 情景例句
Two hours from now.
从现在起还有两个小时。
Button holes are very hard to sew.
要缝钮扣洞非常难。
Oh dear! You mean I'm too fat? That is a problem! said Mrs Brown.
“天哪！你的意思是说我太胖了吧？这是个问题！”布朗夫人说