Perchlorether
[化] 全氯乙醚
🗣️ 情景例句
I feel that too many people worry about how they look.
我感觉太多的人关注他们的外表。
Cat got your tongue?
怎么不说话了？
You can see shapes on the rock. Do you see that bit?
“你可以看见岩石上的形状。你看见那一小块了没有？