rectangular membrane

例句：

1. 1. The scientist used a rectangular membrane to create a new type of solar cell.
   科学家使用一个矩形膜来创造一种新型的太阳能电池。
2. 2. The engineer designed the rectangular membrane to be flexible enough to bend without breaking.
   工程师设计了矩形膜，使其足够柔软，可以弯曲而不断裂。
3. 3. The rectangular membrane was used as a protective layer in the construction of the new bridge.
   矩形膜被用作新桥梁建设中的保护层。