Lactase
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
And we don't own anything to use as collateral.
可是我们没有任何可以做担保物的东西。
Stamp-collecting is a popular hobby.
集邮是一种普遍的业余爱好。
Then they brushed ink onto the characters.
接着，把墨汁刷在字上。