你知道Jack-o'-lantern里的杰克是谁么？（讲解版）

<p style="line-height:30px;hyphens:auto;color:#333333;text-align:justify;font-size:16px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;" data-flag="normal" lang="en"><span><span>查看</span></span><span><span>完整文本</span></span><span>，请关注</span><span><span><span>订阅</span></span><span><span>号</span></span></span><span>：esposts，</span><b>关键词：杰克</b></p>