cervical smear
noun [ C ] UK uk/səˌvaɪ.kəl ˈsmɪər/ us/ˌsɜr.vɪ.kəl ˈsmɪr/ (US Pap smear)
宫颈涂片检查（是否有癌变）
a medical test in which some cells are taken from a woman's cervix (= the opening of her womb) and then tested to discover if she has cancer