The deep red colored heart is topped with a burning flame also made of glass.

VOA: special.2009.09.16

Now when it reaches up to the right more towards the heart of that red zone, " 100 spikes per second.

现在，当它移动到,右上侧偏红色区域的时候，我们会听到嗑哩的声音，每秒钟100次，we，may，hear，“keri…

斯坦福公开课 - 7个颠覆你思想的演讲课程节选