Corymbous
a. [植]伞房花序(组成)的
🗣️ 情景例句
Out with it!
说出来吧！
You dare?
你敢？
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。