Ferulaldehyde
阿魏醛
🗣️ 情景例句
If you'd like to hear some new English songs, I suggest you download them from the web.
如果你想听一些新的英文歌，我建议你上网下载。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
How?
怎么做呢？