Lactam
n. [化] 内酰胺, 乳胺
🗣️ 情景例句
Thanks, Harry.
谢谢你，Harry。
Bite the hand that feeds one.
恩将仇报。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。