Marion
n. 马里恩（男子名）
🗣️ 情景例句
and you can listen to him over the phone.
而且你可以在电话中听到他的声音。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
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。