a person or thing that develops something 发展者,开发者;推动发展的事物 a property developer. 房地产开发商。 software developers. 软件开发商。 ■[with adj.]a person who grows or matures at a specified time or rate (在特定时间或以特定速度)成长(或发育成熟)的人 I was a slow developer. 我发育较慢。 ■[mass noun]a chemical agent used for treating photographic film to make a visible image 显影剂