Lactamase
n. [生化]内酰胺酶
🗣️ 情景例句
Grandpa.
爷爷。
He is too lazy to move but luckily he has strong toes.
他虽然懒惰得不肯动，但是幸而有强壮的脚趾。
Do you offer any quantity discounts?
大量购买有折扣吗？