header word

例句：

1. 1. The headline of the news reportis "A new policy has been introduced."
   新闻报导的头条是“一项新政策已经推出。”
2. 2. The header of the websiteis a large image of the logo.
   网站的首页是一个大图的logo。
3. 3. The headerof the email is the sender'sname and subject line.
   电子邮件的头部是发件人的名字和主题行。