英语语法分析

But he could not stop, for the mother ptarmigan was running on.

不过他不能停下，因为母松鸡正在向前跑。

A black fox came toward him, carrying a ptarmigan in his mouth.

一只黑狐狸朝他走了过来，嘴里叼着一只松鸡。

It was a fearful cry, but the fox, leaping away in fright, did not drop the ptarmigan.

这是一种可怕的喊声，那只狐狸吓跑了，可是没有丢下松鸡。