Duplexer
[电] 双工器
🗣️ 情景例句
That makes me feel good.
那使我感到很高兴。
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
America, Russia and Europe are filled with enthusiasts----
美国、俄罗斯和欧洲都有许多热心此项事业的人