Antipellagra vitamin
[化] 抗糙皮病维生素; 维生素PP
🧩 词语组成解析
🗣️ 情景例句
I hear you're expecting a baby, Mrs. Stewart.
我听说你们快有小孩了， Stewart太太。
I have two tickets for a great movie. Why don't you come with me?
我有两张大片的电影票，你要同我一起去看吗？
The Macdonalds finished supper at Macdonald's, and then bowled at the bowling alley.
麦可糖那一家在麦当劳吃过晚饭后去球馆打保龄。