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
What is it?
是个什么样的计划？
When the storm broke, I was washing dishes.
当暴风雨开始的时候，我在洗碟子。
I'm fine,too. Excuse me, Miss Gao, what's this in English?
我也很好。请问，高小姐，这个用英语怎么说？