Lactase
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
You've been a great help.
你帮了大忙。
I don't like his kissing business.
我对他的接吻索然无味。
Well, Lucy is wearing blue trousers and a blouse.
恩…，露茜穿着一条蓝裤子和一件衬衫。