1．occupy vt.占用，使用；居住；占领，侵占；使忙于→occupied adj.使用中；有人使用(或居住)
2．evaluate vt.评估，估计，评价→evaluation n．评价
exposure n．面临，遭受；揭露；报道；曝光；接触
①Her new movie has had a lot of exposure in the media. 报道
②I used a long exposure for this one. 曝光
③It's like staying in a fish market and getting used to the stink；long exposure to a bad environment accustoms one to evil ways. 接触
