Nad
[化] 烟酰胺腺嘌呤二核苷酸; 辅酶I
🗣️ 情景例句
By the way,
顺便问一声，
Life is not so short but there is time enougn for courtesy.
人生虽短，但表示礼貌的时间还是足够的。
drawing the particle first towards the advancing wave,
先把微粒拉向前移的海浪，