详细解释:n. 驱集, 集拢, 综述
英语解释：
名词 roundup:
the activity of gathering livestock together so that they can be counted or branded or solda summary list; as in e.g. "a news roundup"the systematic gathering up of suspects by the police详细解释：
round.up
n.（名词）
The herding together of cattle for inspection, branding, or shipping.集拢：为进行检查、加烙印或装船而把牛群赶到一起The cattle so herded.赶拢的牛群The workers and horses employed in such herding.赶拢牲口的人或其马匹A gathering up, as of people under suspicion by the police.集拢，聚拢：如警察对可疑分子进行的大搜捕A summary:综述，摘要：例句：a news roundup.综合新闻报道