Hexafluoride
n. 六氟化物
🗣️ 情景例句
Did it spoil your fun?
会不会让你扫兴？
I'm ill today.
今天我生病了。
The vicar has been asked to have the tree cut down, but so far he has refused.
人们曾请求教区的牧师叫人把树砍掉，但他直到现在也没有同意。