Plumb bob
[机] 铅锤
🧩 词语组成解析
bob
[[bɔb]]
vt. 剪短, 敲击\\nvi. 振动, 上下跳动\\nn. 短发, 悬挂的饰品, 浮子, 摆动, 轻敲, 5便士
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
I beg your pardon!
对不起！
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
经过多年的适应，大多数人对火车时刻表产生了一种不可动摇的信念。