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
And what about Michelle?
那Michelle怎么办？
I hope we can conclude the transaction at this price.
希望我们能就此价格达成交易。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。