论文部分内容阅读
蜗牛最近十分郁闷。就是因为它非常慢的爬行速度——爬行比赛它总是最后一名。“这个丑可不能丢上一辈子吧!”蜗牛哭丧着脸自言自语,“这到底
Snails recently very depressed. It’s because of its very slow crawling speed - it’s always the last to crawl. ”This ugly can not lose a lifetime!“ Snail mumbled his face, ”This in the end