海星断掉的手臂，能变成新海星？

Starfish can lose an arm and keep going. 海星断了一条胳膊，照样能活。 The arm can grow a whole new starfish. 那条断臂，能长出一整只新海星。 The body side also grows a new arm. 剩下的身体，也会长出新手臂。 One arm alone can become a new animal. 一条胳膊，就是一个新的它。 This trick helps them survive attacks. 这个本领，能帮它们躲过攻击。 Starfish are masters of regrowing. 海星，就是再生高手。