77. A Stick and a Dog 一根棍子和一条狗

He takes the dog for a walk. He picks up a stick. He throws the stick. The dog chases the stick. It brings back the stick. It gives him the stick. He throws it again. The dog brings the stick back. The dog walks over to a tree. It pees on the tree. He takes the dog home.

他带狗去散步。他拿起一根棍子。他扔了棍子。狗追棍子。它把棍子拿回来了。它给了他棍子。他又扔了一次。狗把棍子拿回来。狗走向一棵树。它在树上撒尿。他把狗带回家。