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
You are better off waiting'till you get married before doing anything stupid.
你如果想做傻事的话，最好等到结婚后。
Don't criticize him for his delay.
不要责备他的延误。
Beyond two or three days, the world's best weather forecasts are speculative,
世界上最好的两三天以上的天气预报具有很强的猜测性，