down stream film

例句：

1. 1. The downstream film was a critical success.
   这部下游电影取得了巨大的成功。
2. 2. He's been making down stream films for years.
   他多年来一直在制作下游电影。
3. 3. We need to watch the down stream film before we go to bed.
   在我们睡觉前，我们需要先观看这部下游电影。