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
that express the feelings that I feel for you in my heart.
可以表达我内心对你的感情。
Never put off till tomorrow what you can do today.
今天能做的事绝不要拖到明天。
You'd better hurry and buy a ticket then. It'll be very popular.
那你最好赶紧买张票吧！他的音乐会是很受欢迎的。