exposure

Exposure to lead is known to damage the brains of young children.

已知接触铅会损害幼童的大脑。

Most Grand Tourists, however, stayed for briefer periods and set out with less scholarly intentions, and expected to return home with souvenirs of their travels as well as an understanding of art and architecture formed by exposure to great masterpieces.

然而，大多数游学旅行者停留的时间更短，出发时带有的学术意图更少。他们期望带着旅行纪念品回家，以及通过接触伟大的杰作，形成对艺术和建筑的理解。

He undertook increasingly dangerous assignments until his exposure as a spy.

在间谍身份被揭发之前他一直从事日益危险的任务。

All the candidates have been getting an enormous amount of exposure on television and in the press.

所有候选人都在争取大量的电视和新闻媒体宣传。

Advertisements featuring professional athletes and their endorsed products tend to get impressive exposure on TV, radio, in print and online.

以职业运动员和他们的代言产品为特色的广告往往会在电视、广播、印刷和网络上得到令人印象深刻的曝光。

Larger drawings tend to require two or three exposures to cover them.

较大的图画需要两到三张底片来覆盖。