Some of us are larks and some are owls, if you happen to be an owl (type person) or a student, or someone partial to the odd hangover on a weekday, this is a necessary piece of bedroom equipment!

• 定时炸弹钟这个红色的雷管见了就让人心跳，还是一整捆。两根电线直接连接中间的时钟， 看来这个“定时炸弹”设计的还是很初级水平。