Pentadecalactone
[建] 十五酸内酯
🗣️ 情景例句
Is this in fashion?
这现在流行吗？
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
Maybe my parents will take Dick and me to a few cities in the south.
可能我父母要带迪克和我到南方的几个城市去。