说到“接触”的英文表达，也许最容易想到contact，但有些时候，如接触有害物质、接触新事物，用expose更恰当：
    Will the children ever be exposed to a profound idea at home?
    孩子们在家里能接触到高深的思想吗?
    People chronically exposed to chlorine develop some degree of tolerance.
    人长期接触氯气可以产生某种程度的耐受性。
    We want to expose the kids to as much art and culture as possible.
    我们想让孩子们受到尽可能多的艺术和文化熏陶。
    In 1990, [Linus Torvalds] resumed his university studies, and was exposed to UNIX for the first time [...]
    1990年，Linus Torvalds重新回到大学里学习，初次接触到了Unix操作系统。