Pentadecalactone
[建] 十五酸内酯
🗣️ 情景例句
I'll chop the onions.
我要去切洋葱。
What did the doctor say?
医生怎么说？
Tazieff was able to set up his camp very close to the volcano while it was erupting violently.
当火山正在猛烈地喷发时，塔捷耶夫有办法把帐篷搭在离它非常近的地方。