Valerolactone
戊内酯
🗣️ 情景例句
And this one's from me.
这张是我送的。
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，