Lactase
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
Whom will you go out with?
你将和谁出去？
What's Jim doing?
吉姆在干什么？