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
who spent the last five years
用过去五年的时间
I will borrow it from my cousin.
我会从我的表哥那里借到它。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。