The floor was level, but the ceiling sloped toward his head.

地面平平坦坦，但是天花板向他的头部倾斜。

《柯林斯英汉双解大词典》

High-level personnel tend to head in only one direction: outward from America.

高层的管理人员往往只来自一个地方:美国。

youdao

Your head should be up, your back straight, and shoulders level.

你的头应该抬起来，你的背部笔直，肩膀水平。

youdao

Afghan President Hamid Karzai and Pakistani President Asif Ali Zardari flew into Tehran, at the head of high-level delegations, to discuss a series of problems, including drugs, terrorism and Islamic extremism.

VOA: standard.2009.05.24

She added that the Foreign Office has raised the matter with the Chinese twice at ambassadorial level, once at deputy-head-of-mission level, and that the consular director has also raised it with senior Chinese consular officials visiting London.

WSJ: U.K. Raises Brit's Death in China Talks

Harlequins prop Ceri Jones also boosted his chances by showing he can acquit himself at tight-head prop as well as loose-head at Test level.

BBC: Jenkins hints at World Cup places

One new technique being used by some neuroeconomists is transcranial magnetic stimulation, in which a coil held next to the head issues a low-level magnetic pulse that temporarily disrupts activity in a certain part of the brain, to see if that changes the subject's preferences for example, for a particular food and how much he is willing to pay for it.

ECONOMIST: Neuroeconomics: Do economists need brains? | The