translation.en: Boom, boom, boom, boom, the students were discussing and interacting with each other, and by 4 a.m. that night, I'm totally fascinated, having this epiphany, and by 4 a.m. in the morning, they had discovered the right answer.
translation.zh: 砰 砰 砰 砰 学生之间 相互讨论交流 那天凌晨四点 我完全入迷了 他们渐渐顿悟 到早上4点钟 他们发现了正确的答案