Nad
[化] 烟酰胺腺嘌呤二核苷酸; 辅酶I
🗣️ 情景例句
He met his girfriend throught a public chat room.
他是在一个公共聊天室里认识他女友的。
How are you feeling today?
今天你觉得舒服吗？
It looks like the shipping company did this.
应该是货运公司造成的吧。