沉浮的鸡蛋汛莣 <p class="ql-block">把鸡蛋放进装有水的烧杯里</p> <p class="ql-block">鸡蛋立马沉浸</p> <p class="ql-block">将水里加盐搅拌均匀</p> <p class="ql-block">再次将鸡蛋放进烧杯里</p> <p class="ql-block">鸡蛋竟然浮起来了</p>