Dinstein
[人名] 丁斯坦
🗣️ 情景例句
I just don't know what to say.
我真不知该说什么好。
You can ease up.
你就放心好了。
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。