noun 下载 🔗分享 用户名, 账户名 A person's identification on an individual computer system. Examples : "Please use a single sentence. All students need to choose unique usernames for the school's online learning platform. " 所有学生都需要为学校的在线学习平台选择唯一的用户名. computing internet technology communication system 与AI对话词汇游戏阅读练习