21 .Visiting A Chicken Farm
21.参观养鸡场
One day，a teacher took his pupils to a chicken farm to pay a visit. When they came near the incubator，a chick just got out of it’s eggshell.
老师带学生到养鸡场参观，当他们走近孵化器时，刚好一只小鸡破壳而出。
"It's wonderful to see a little thing come out from the eggshell，isn't it's it?”the teacher said.
“看见一个小生命从蛋壳里出来，很奇妙，是不是?”老师说。
"Yes，sir，"said one of the boys，“But it would be more wonderful if we knew that how a chick gets into its eggshell beforehand.”
“是的，老师，”一个男学生说，“可是，如果我们知道它是怎样事先钻进蛋壳里的那就更奇妙了。”