Ethoxal
乙(酯)草酸
🗣️ 情景例句
Where will you be living during your stay here?
你在此期间打算住哪里？
I really should be on my way.
我真的该告辞了。
Not at all, dear. It was a pleasure.
不必客气，亲爱的。这样我很高兴。