Lactase
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
Hello.
哈喽。
He didn't weep as he walked from the grave.
他从墓地走回来，并没有伤心流泪。
When he was decorating his house, he had gotten the bedroom painted first.
他装修房子时，先刷了卧室。