Lactase deficiency
乳糖酶缺乏
🧩 词语组成解析
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
My pleasure.
不客气。
Friends (the best of friends) must part.
好友终有分手时。
There was a notice in the supermarket.
超市里有一个布告。