Midfrequency
中频
🗣️ 情景例句
I'm sorry, all the balcony seats are gone.
抱歉，包厢的票都卖完了。
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
You might try one of our cheaper components.
你试试这种较便宜的组件怎样？