n.牧羊犬;
例句:
The sheepdog rounded up the sheep and drove them through the gate.
牧羊狗把羊群集中到一起,赶进栅门.
When does a sheepdog become sheepdog?
牧羊犬何时才能成为真正的牧羊犬?
It is the typical pattern of the Old English Sheepdog.
古牧就是这种形态的最典型例子.