第 78 课: 使用更多的动词：跳，爬，看，叼等-3

The cowboy is trying to ride the bull. 那个牛仔正尽力在牛身上骑稳

The cowboy cannot ride the bull. 那个牛仔骑不住那头牛

The boy is trying to jump over the horse jump. 那个男孩儿想跳过那个赛马用的跳栏

The boy fell. 那个男孩儿跌倒了

The dog has a frisbee in its mouth. 那只狗叼着一只飞盘

The dog has a hat in its mouth. 那只狗叼着一顶帽子

The dog's mouth is open and empty. 那只狗张着嘴，没有叼什么东西

The dog's mouth is closed and empty. 那只狗闭着嘴，没有叼什么东西