Untuned amplifier
[电] 不调谐放大器
🧩 词语组成解析
[电] 不调谐的
🗣️ 情景例句
You're OK, Dad.
你真好，爸爸。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Come upstairs and see it.
到楼上来看看吧。