1 sentence

1. 海豚不像其他鲸类那样长时间深度潜水。

   hǎi​tún bù​xiàng qí​tā jīng​lèi nà​yàng cháng​shí​jiān shēn​dù qián shuǐ.

   Dolphins do not dive deep for long periods of time like other whales.

   Source: CCMatrix