一只大榔锤想打开一把铁锁,他拼命地向铁锁敲去,第一次他没有成功;第二次,大榔锤使出了全身的力气,还是没有成功;第三次依然没有成功,他失望地坐在地上看着铁锁。这时,一把小钥匙走了过来,缩着身子钻进了铁锁的身体里,轻轻地一转动,只听见“咯嗒”一声,铁锁被打开了。大榔锤很纳闷地 A big hammer would like to open an iron lock, he desperately knocked to the iron lock, the first time he did not succeed; the second time, the big hammer made a total body strength, or no success; the third still Without success, he sat disappointed on the floor watching the iron lock. At this time, a small key came over, shrinking his body into the iron lock body, gently turned, only to hear “click ” soon, the lock was opened. Big hammer is very puzzled