Recirculator
再循环器
🗣️ 情景例句
He shows complete indifference to others feelings.
他对别人的感受漠不关心。
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
There were six million visitors in all,
参观的人数总共是600万。