螃蟹是怎么做到蜕壳后的身体比旧壳更大的？ (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">Rara，</span><span class="bio">生物爱好者，AI行业梭边鱼，杂志科普作家。</span> <a href=" class="originUrl" hidden="">查看知乎原文</a> </div> <div class="content"> <p>因为螃蟹会先空手套白狼先做一个 ppt 吹牛逼（bushi）。因为螃蟹会给自己注...