Almost any day a young porpoises may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.

几乎每天都可以看到一只小海豚把鼻子顶一只300磅重的海龟的硬壳下面，拼命地把它翻过来。

Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.

几乎每天都可以看到一只小海豚把鼻子顶一只300磅重的海龟的硬壳下面，拼命地把它翻过来。

The boat turned turtle in the middle of the lake, and we all had to swim to shore.

例子: 船在湖中央翻了, 我们都不得不游到岸边。