Monoether
单醚
🗣️ 情景例句
A guarantor is responsible for the loan
担保人要对贷款负责
From which station does the train leave?
这列火车从哪个站开出呢？
It turned out to be snoring! Men were found to be the worst offenders.
它竟然是鼾声。人类是这方面的罪魁祸首。