什么时候人有两张嘴?为什么狮子吃生肉?什么动物能和树跳的一样高

Question

when do people have two mouth?
什么时候人有两张嘴?
why do lions eat raw meat?
为什么狮子吃生肉?
how many sides does a circle have?
一个圆有几个面?
what animal can jump as high as a tree?
什么动物能跳得像树那么高?
how can you be completely sleepless for seven days and still lack no rest?
你怎么可以七天不睡,还不需要休息?

Answer 1

when looking at a mirror
they don't know how to cook
two sides: inside and outside
every kind of animals on the top of the tree
turning the calendar over seven days in one minute.