seat beltn. (汽车、收音机等的)座椅安全带

I always wear my seat belt when I'm flying.

坐飞机时我通常会系好安全带。

shoulder-strapn. 肩带，背带；肩章　

enhancevt. 提高，增加，加强

The growth of a city often enhances the value of land close to it.

城市的发展常常会提高其附近的地价。

overpowervt. 压服，击败；(感情等)压倒，使无法忍受

Police overpowered the criminal and took him away.

警察制服了那罪犯并把他带走了。

The smell of the garbage overpowered me.

垃圾的臭味使我无法忍受。　

ergonomicsn. 人类工程学，生物工程学；工效学

At last we came to the chapter on ergonomics.

我们终于念到了人类工程学这一章。