Killdeer
n. [动] 小水鸟的一种(产于北美)
🗣️ 情景例句
I think you should call Rita Mae right now.
我想你现在就打电话给Rita Mae。
She has gone to take a look at the art gallery.
她为了参观美术品陈列馆而出去了。
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。