实时互动·教师端 · Live Classroom · Host
用一个房间码，让全班学生进入同一个互动。
Create a room, launch an activity and watch responses update live.
教师可以切换投票、词云、匿名提问和理解反馈；房间和纯文字数据默认保留 24 小时。Teachers can switch among polls, word clouds, anonymous questions and comprehension checks. Rooms and text-only data are retained for 24 hours by default.
教师端 · Host
创建一个 24 小时互动房间
不需要学生注册。创建后，将六位房间码告诉学生即可。
使用边界 Safety & Privacy
不请求学生提交真实姓名，不支持图片、音频或文件上传。请避免在问题中收集成绩、联系方式或其他敏感信息。Do not ask students to submit real names. Image, audio and file uploads are not supported. Avoid collecting grades, contact details or other sensitive information.