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
More than 50% of marriages are doomed to fall.
50%的婚姻都注定以失败告终。
It is easier to pull down than build.
败事容易成事难。
Byrd at once ordered his men to throw out two heavy food sacks.
伯德马上命令他的助手们把两个沉重的食物袋扔掉，