zài / jì / suàn / jī / wǎng / luò / zhōng / yìng / yòng / céng / fù / zé / chǔ / lǐ / yòng / hù / yìng / yòng / chéng / xù / zhī / jiān / de / tōng / xìn

在计算机网络中，应用层负责处理用户应用程序之间的通信。

In computer networks, the application layer is responsible for handling communication between user applications.