The video shows women how to examine their breasts for cancer.这个录像向妇女示范如何检查自己的乳房是否患有癌症。He stopped at the mirror to check his appearance.他停在镜子前检查自己的仪容。She checked her makeup in the mirror.她对着镜子检查自己的妆容。She had a blood test to find out if she was HIV-positive.她验了血,检查自己是不是艾滋病病毒阳性。