Langurs
(langur 的复数) n. 叶猴
🗣️ 情景例句
Please sit down, Mr. Mark.
请坐吧，马克先生。
Marriage is a lottery.
婚姻是一件难于预料的事。
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。