starting at

汉语翻译

例句：

1. The film starts at 7.30 and lasts two hours.
   影片7点30分开演，演两个小时。
2. A type of schizophrenia, usually starting at puberty, characterized by foolish mannerisms, senseless laughter, delusions, hallucinations, and regressive behavior.
   青春期痴呆一种精神分裂症，通常始发于青春期，其特征为举止痴呆、傻笑、妄想、幻觉以及退化的举止
3. Stopping and starting at intervals.
   断断续续的间隔停歇和启动