Demonstration jacks
[计] 检验塞孔
🧩 词语组成解析
n. 抓子游戏；家伙；小伙子（jack的复数）
🗣️ 情景例句
My favorite hobby is coin collecting.
我最大的爱好是收集硬币。
No matter where you go you'll hear English spoken.
不管你到哪里，你总会听到英语。
adopted by banks, of printing the customer's name on his cheques.
某些银行已采用把储户姓名印在支票上的作法。