2[uncountableU]MHmedicaltests that are done on a lot of people to make sure that they do not have a particular disease 〔某种疾病的〕筛查,检查
screening for
screening for breast cancer
乳腺癌筛查
3[uncountableU]TEST/EXPERIMENT tests or checks that are done to make sure that people or things are acceptable or suitable for a particular purpose 甄别,审查