维修: maintenance (of equipment), to protect and maintain...
胶片: (photographic) film...
白: white, snowy, pure, bright, empty, blank, plain, clear, to make clear, in vain, gratuitous, free of charge, reactionary, anti-communist, funeral, to stare coldly, to write wrong character, to state...
聘请: to engage, to hire (a lawyer etc)...
遂心: to one's liking...
审定: to examine sth and make a decision, to screen, to evaluate, to approve...
姥姥: (coll.) mother's mother, maternal grandmother...
人工智能: artificial intelligence (AI)...
协议书: contract, protocol...
共有: to have altogether, in all...