Acetaldehyde
[化] 乙醛\\n[医] 乙醛, 醋醛
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
He must strive continually to think of, and use, form in its full spatial completeness.
他必须勤于想像并且利用形体在空间中的完整性。