binding surface

例句：

1. 1. The binding surface of the book is smooth and easy to read.
   这本书的绑定表面光滑且易于阅读。
2. 2. The scientist used a microscope to observe the surface of the crystal.
   科学家使用显微镜观察晶体的表面。
3. 3.The team worked together to ensure that the binding surface was consistent throughout the project.
   团队共同努力，确保项目的整体绑定表面一致。