求翻译：还有，，其实我们鲸是哺乳动物，因为我们是用肺呼吸的，每隔一定时间必须浮出海面呼吸一次，而且我们是胎生的，要靠吃妈妈的奶长大的。因此我们是哺乳动物！是什么意思？

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Also, as a matter of fact, we whales, mammals, it is because we are using the lungs breathe, every time it must be floating to the surface breathing once, and that we are born, is to depend on their mother's milk of eating. Therefore, we are mammals!

Also, our whale is actually the mammal, because we are breathe with the lung, must float the sea level once in a while to breathe one time, moreover we are the viviparity, must depend on eats mother's milk coarsening.Therefore we are the mammal!

Also,, in fact, we have whales are mammals, because we are in a lung breath, breathe in the sea every certain time must emerge, and we are viviparous, lived on growing up mother's milk. So we're mammals!