R-f plumbing
[电] 射频垂铅
🧩 词语组成解析
plumbing
['plʌmiŋ]
n. 水管装置;水暖工的工作;管道工程;
v. 用铅锤测量（plumb的现在分词）;探究;
🗣️ 情景例句
Let's go to the movies.
我们去看电影吧。
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
How was your weekend?
你周末过得怎么样？