Radioamplifier
n. 高频放大器
🗣️ 情景例句
I wish the weather was like this all year.
我希望整年都是这样的天气。
Necessity and opportunity may make a coward valiant.
需要和机会，可使懦夫变勇敢。
Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。