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
And tell me where you are and what's happened.
告诉我你在哪里，发生了什么事？
The cat followed her everywhere she went.
无论她到哪，那只猫都跟着她。
We are late already.
现在就已经晚了。