Undecalactone
十一(碳)烷酸内酯
🗣️ 情景例句
You've changed a lot since I last saw you.
自从我上次见到你以来，你改变了很多。
I remember the girl whose father owns a jewelry store.
我记得那个女孩的父亲有一家文具店。
There are some boats on the river.
河上有几艘船。