zài / hù lián wǎng / tōng xìn / zhōng / wǎng luò céng xié yì / fù zé / ràng / shù jù bāo / kuà yuè / bù tóng / wǎng luò / dào dá / mù biāo dì zhǐ

在互联网通信中，网络层协议负责让数据包跨越不同网络到达目标地址。

In internet communication, the network layer protocol enables data packets to cross different networks and reach their destination addresses.