a showing of a film, video, or television programme (电影,录像)放映;(电视节目)播放
[mass noun]the evaluation or investigation of something as part of a methodical survey, to assess suitability for a particular role or purpose. the testing of a person or group of people for the presence of a disease or other condition 评估;检查(疾病或其他情况) prenatal screening for Down's syndrome. 产前唐氏综合征检查。
(screenings)refuse separated by sieving grain 筛谷物筛出的瘪谷与杂质