Wagtail
n. 鹩凫
📖 牛津释义
wagtail
n
any of various types of small bird with a long tail that moves constantly up and down when the bird is standing or walking （体小, 尾长而不停上下摆动）.
🗣️ 情景例句
I do think you should go see the houses
我确实感到你们应该去看看这些房子，
Is this a network show?
这是不是广播表演？
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。