海豹、海狮、海狗、海象、海牛等海洋哺乳动物会喝海水补水么？ (opens in new tab)

<div class="main-wrap content-wrap"> <div class="headline"> <div class="img-place-holder"></div> </div> <div class="content-inner"> <div class="question"> <h2 class="question-title"></h2> <div class="answer"> <div class="meta"> <img class="avatar" src=" referrerpolicy="no-referrer"> <span class="author">祥昊，</span><span class="bio">也许，我们需要的不是答案</span> <a href=" class="originUrl" hidden="">查看知乎原文</a> </div> <div class="content"> <p>曾经有一群走兽，</p> <p>老祖宗跑到海里，成了海兽。</p> <p>那么问题来了，海水的盐分浓度...