Nad
[化] 烟酰胺腺嘌呤二核苷酸; 辅酶I
🗣️ 情景例句
John and I celebrate our fortieth anniversary next month.
下个月John和我将庆祝我们的结婚四十年纪念。
Second thoughts are best.
三思而行，再思可也。
He waited until someone new joined the company and then began to steal.
他等待有人刚加入公司后才开始偷窃。