Liest
vi. 躺；卧；平躺；平卧；横卧(常与 down 连用)：；处于某种状态(或地位)：\\nn. 位置；状态；方向；兽穴：(动物的)栖息处, 隐藏处
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
How many pieces are you going to buy?
你要买几个？
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。