为什么蝙蝠是唯一能真正飞行的哺乳动物？ (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">野狸子，</span><span class="bio">形而上学</span> <a href=" class="originUrl" hidden="">查看知乎原文</a> </div> <div class="content"> <p><strong>先说结论：蝙蝠这玩意儿能飞，可不是简单的进化的恩赐，更像是一场豪赌换来的残酷变异。</strong>...