R-f component
[电] 射频成份
🧩 词语组成解析
🗣️ 情景例句
Mr. Carlson will be with you shortly. Carlson
先生不久就可以见你。
He that sups with the devil must have a long spoon.
与恶人交往，须特别提防。
Mr.Sawyer usually reads his newspaper, but sometimes he and his wife watch television.
索耶先生总是读报纸，但有时和他的妻子一起看电视。