这是一次约 2 分钟的测试，帮我们确认你的网络和设备能否参加语音实验。请按 1 → 2 → 3 顺序做完，最后把结果发回给老师。请用手机自带浏览器或电脑 Chrome，尽量别用微信打开。A ~2-minute test to check if your network and device can join the voice experiment. Do steps 1 → 2 → 3, then send the result back. Please use your phone's built-in browser or Chrome — avoid opening inside WeChat.
1网络延迟测试Network Latency
测量你到香港服务器的往返速度和稳定性。Measures round-trip speed and stability to the Hong Kong server.
2麦克风测试Microphone
录 5 秒你的声音再放出来，确认这台设备能录音。点击后请允许麦克风权限。Record 5 seconds of your voice and play it back. Allow microphone access when asked.
3完整语音闭环Full Voice Loop
用英文说一句话（例如："I think technology makes our life better."），系统会转成文字、再用 AI 英文语音读出来，并计时。Say one sentence in English (e.g. "I think technology makes our life better."). It will be transcribed, then read back by an AI English voice, timed.
📋 把结果发回老师📋 Send result back
做完上面三步后，点这里生成结果，然后复制发给老师（或点提交自动上报）。After the 3 steps, generate the summary, then copy & send it back (or submit directly).