不觉堂 unconsciously

不觉堂电陶炉第二代 bujuetang electric ceramic stove second generation

不觉堂电陶炉经典款 bujuetang electric ceramic stove classic model

天堂视觉公司 Paradise Visuals

课堂上睡觉 Sleeping on classroom ; Sleeping in class ; Sleep on classroom

不要在课堂上睡觉 Don't sleeping in class ; Do not sleep in class ; Don't sleep in the classroom

他们甚至在课堂上睡觉 They even sleep in class

在课堂上睡觉是错误的 The teacher asked us not to sleep in class

警觉之堂 Hall of the Vigilant