Lactase
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
International travel involves a lot of waiting around in airports.
经常在机场等候是环球旅行的一部分。
What's the purpose of your visit?
你旅行的目的是什么？
He simply told her that he worked for the Corporation.
他只说在埃尔斯米尔公司上班。