Knacks
(knack 的复数) n. 熟练技术, 巧妙手法, 诀窍\\n[化] 窍门
🗣️ 情景例句
Tom gave Helen an apple in exchange for a piece of cake.
汤姆用一个苹果和海沦换一块蛋糕。
Good work.
做得很棒！
What's it about?
它是讲什么的？