Nad
[化] 烟酰胺腺嘌呤二核苷酸; 辅酶I
🗣️ 情景例句
I like to study in the library because it's so quiet.
我喜欢在图书馆学习因为那儿很安静。
Look before you leap.
慎思而后行。
I'm making a shopping list, Tom.
我在写购物单，汤姆。