"head-first dive or plunge," 1849, from head (n.); as a type of pass or shot with the head in soccer, by 1906. Earlier it meant "executioner, headsman" (mid-15c.).
权威例句
1. An optional Header element that contains header information.
包含标题信息的可选标题(header)元素.
2. No.6 minutes Ramos-right 60 degrees, Raul header near the penalty shot after attempted post.
第6分钟拉莫斯右路60度传中,劳尔点球点附近头球射门偏出后门柱。
3. He stumbled and took a header into the ditch.
他跌了一跤而栽到沟里去了.
4. In order that the recorded block of data be identified, a header and trailer are added.
为了辨别所记录的数据块, 还要加上头标和尾标.
5. I have a question about whether or not to include a header on this file.