n.動物之鼻口；口絡；槍口
v.戴口絡于；使緘默
He caught hold of the dog by its muzzle. 他抓住狗的口鼻，把它逮住了。
The soldier depressed the muzzle of a gun. 士兵把槍口放低。
You shall not muzzle the ox while he is threshing. 牛在場上踹谷的時候
The President wanted to muzzle the press. 總統(tǒng)企圖遏制新聞自由。
