Thioether
n. [化]硫醚
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
No, I'm not.I'm going to retire.I feel very tired.
不，我不准备拍了。我准备退休了。我感觉累得很。