internal surface的用法和样例：
例句
- Modifications to acetabular shells with polished internal surfaces and better locking mechanisms should reduce these complications.
髋臼杯的改进包括臼杯内面高抛光和更好的锁定机制，这可以减少相关并发症。 - In a hot climate the condensation will be on the inner surface of the insulator.
在气候炎热时，凝结水将出现在隔热层的内表面。 - The internal surfaces of prosthesis were smooth and glossy with white tunica mucosa covered.
管腔内表面光滑，表面有一层白色的黏膜覆盖。
