Avitaminosis
n. 维他命缺乏\\n[医] 维生素缺乏[病]
🗣️ 情景例句
Well, that's what I do.
是啊 ，我正是这么做的。
Buyers always pay great attention to packing.
买方通常很注意包装。
What does that do?
这有什么用处呢？