R-f amplifier
[电] 射频放大器
🧩 词语组成解析
🗣️ 情景例句
I'd like you to be the photo editor of the magazine.
我希望你能做杂志的摄影编辑。
Modesty is not only and ornament, but also a guard to virtue.
谦逊不仅可增添光彩也可以维护美德。
Fortunately, nothing was found and five hours later we were able to take off again.
幸运的是，什么也没有找到。5个小时后，我们又起飞了。