Jack panel
[计] 插孔板
🧩 词语组成解析
jack
[[dʒæk]]
n. 插座, 千斤顶, 男人\\nvt. 抬起, 提醒, 扛举, 增加, 提高, 放弃\\na. 雄的\\n[计] 插座
panel
['pænl]
n. 镶板;面;（门、墙等上面的）嵌板;控制板;
vt. 选定（陪审团）;把…分格;在…上置鞍垫;把…镶入框架内;
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
It's hard to say.
很难说。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，