projected background

例句：

1. 1. The director wanted toshow the audience a more realistic scene throughthe projected background.
   导演想通过投影背景向观众展示一个更真实的场景。
2. 2.The movie's projection was so clearthat it almost felt like being in thefilm's projected background.
   电影的投影非常清晰，几乎让人感觉就像是在电影的投影背景中。
3. 3. The artistused a projector to create a dynamicand vibrant projected background for her performance.
   艺术家使用投影仪为她的表演创造了一个动态而生动的投影背景。