【简答题】Long long ago people made fires from lightning(闪电)。 But they had to keep the fire burning, for they couldn’t start it again if there was no lightning. Later, they found out hitting two piece of stone ...
【简答题】Long, long ago people made fires from lightening (闪电). But they had to keep the fire burning, for they couldn’t start it again if there was no lightening. Later, they found out hitting two pieces of s...