Niacin
n. 烟碱酸\\n[化] 烟酸
📖 牛津释义
niacin
n[U]
vitamin found in meat, yeast and some cereals 烟碱酸（肉类、 酵母和某些谷物中的维生素）.
🗣️ 情景例句
Then drop it into the water.
然后把它扔到水 。
Everybody recognizes her ability.
人人都认定她的才能。
It was difficult not to be tempted.
要想不为这些东西所动心是很困难的。