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 dance.
咱们跳舞。
Many people were against the new freeway.
许多人反对新的高速公路。
It's big. It sells a lot of things.
商店很大。里面卖很多东西。