新主流电影英语可以翻译为 "mainstream movies" 或者 "popular movies"。
"Mainstream" 来源于英文 mainstream，意思是 "prevaipng, dominant, or widespread in a particular society or group"，即在特定的社会或团体中占主流地位的、普遍的或流行的。"Movie" 来源于英文 movie，意思是 "a story or event recorded by a camera as a set of moving images and shown in a theater or on television"，即通过摄像机记录下来的故事或事件，以连续的动态图像的形式放映在电影院或电视上的影片。
下面是一些英文例句及其中文翻译：
"The latest blockbuster movie is currently playing in mainstream theaters across the country."（最新的大片现在在全国各地的主流电影院上映。）
"Most people prefer to watch mainstream movies because they are more accessible and have wider appeal."（大多数人更喜欢看主流电影，因为它们更容易接触到，并且吸引力更广。）
"The mainstream movie industry is constantly changing and evolving, with new trends and technologies emerging all the time."（主流电影产业不断变化和发展，不断出现新的趋势和技术。）