Couches
n. 长沙发椅( couch的名词复数 ); 睡椅; （病人受检查时躺的）长榻; （尤指诊室内的）诊察台
🗣️ 情景例句
Three things?
三件事？
The plate is dirty, Would you bring me a clean one, please?
这碟子是脏的，请你拿个干净的给我。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。