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
He'll be grouchy.
他会发牢骚的。
I think it's going to break soon.
我认为它将很快被打破。
During that time she so gained my aunt's confidence that she was put in charge of the domestic staff.
在此期间，她赢得了姑母的赏识，甚至当上了大管家。