Draw an antenna shape with the Pen Tool (p) and place it behind the head.

制定一个天线的形状与笔工具(p)和它置于背后的头部。

youdao

If I'm speaking too softly, I imagine talking to a space a meter behind the head of the person I'm talking to.

如果我说得太温柔，我会假想我在说给那个人一米以外的人听。

youdao

These masks are usually very comfortable on the face . But their straps go behind the head and not around the ears, which is less practical for many users.

这些口罩佩戴起来通常很舒服，但是带子是箍在头上，而不是耳戴式，所以对有些人来说不是很好用。

youdao

They also may have pain in the head or behind their eyes.

VOA: special.2009.05.26

I should tell you first of all that in this class, the taping is not going to affect you because the camera is going to be behind your head.

我想跟你们强调的是,录像将不会影响你们,因为摄像机在你身后

耶鲁公开课 - 基础物理课程节选

Reliever Joba Chamberlain threw 28 pitches in batting practice, with one going above and behind the head of INF Eduardo Nunez.

WSJ: Hughes could be out 2 weeks due to bulging disk

The document said that Jose Antonio Elena Rodriguez had been hit from behind in the head, neck and body.

BBC: Mexico boy shot in back by US patrol, post-mortem shows

Barcelona, who have the same points as Real but lie behind them on the head-to-head tie break rule used in the Spanish league, and dent the hopes of Samuel Eto'o of notching up a third successive Spanish league triumph.

BBC: SPORT | Football | African | Diarra puts Mali above Madrid