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
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
Could you ask her to give Doug a call when she gets back? She has my number.
她回来后，你能不能告诉她给道格挂个电话？她有我的电话号码。
It's er … oh, I can't find it!
票，嗯……啊，找不到了！