elastic membrane

例句：

1. 1. The elastic membrane is used to separate the two sides of the container.
   弹性膜用于分隔容器的两侧。
2. 2. The rubber membrane was stretched taut to prevent leakage.
   橡胶膜被拉伸得紧绷以防止泄漏。
3. 3. The flexible membrane allows air to pass through while keeping out dust and other particles.
   柔性膜允许空气通过，同时阻止灰尘和其他颗粒进入。