noun 下载 🔗分享 网名，用户名。 A string of characters used to identify a user of a bulletin board, e-mail etc Examples : ""Before you can post in the forum, you need to choose an SN that hasn't been taken by another user." " 在论坛发帖之前，你需要选择一个网名 (wǎngmíng)，而且这个网名还没有被别人使用过。 internet computing communication technology 与AI对话词汇游戏阅读练习
