Megaripple
n. [地]巨波痕(一种巨大的沙波)
🗣️ 情景例句
And miles to go before I sleep.
在我就寝前还得赶许多哩路。
What would you do if I told you I was going to quit my job?
如果我告诉你我准备辞职，你会怎么办？
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。