Lactonization
n. [化]内酯化
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
I ask him to do the dishes right now.
我要求他立刻洗碗碟。
Oh, thank you! said Ann. Look at the nice paper. Can I open it now, or later?
“噢，谢谢你！”安说，“瞧这漂亮的纸。我现在开还是以后再开？”