Plumb rule
n. 锤规，垂直准测规
🧩 词语组成解析
rule
[ru:l]
n. 规则，规定;统治，支配;章程;
vt.& vi. 控制，支配;判定;裁定，裁决;价格稳定;
vt. 统治;规定;管理;裁决;
vi. 统治;管辖;裁定;
🗣️ 情景例句
We have talked of you ofter.
我们经常谈到你。
It's a long story.
说来话长。
He is very happy to see his wife.
丈夫见到他妻子，很高兴。