Butyolactone
[建] 丁内酯
🗣️ 情景例句
In my personal opinion, I am against the plan.
依我个人的意见，我反对那个计划。
As a man lives so shall he die.
有生必有死。
Look at this letter from Wang Wei to her penfriend in Australia.
请看这封王伟写给她在澳大利亚的笔友的信。