爆笑英文：小雞是怎樣事先鑽進蛋殼裡的呢

One day, a teacher took his pupils to a chicken farm to pay a visit. When they came near the incubator, chick just got out of its egg shell.

一天，老師帶學生到養雞場參觀，當他們走近孵化器時，剛好一隻小雞破殼而出。
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) |' r2 V. E" I& _  N# c1 Z% l"It's wonderful to see a little thing come out from the egg shell, isn't it？" the teacher said.
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  [. y( h8 q" H+ `# \, u% m$ a& U6 X「看見一個小生命從蛋殼裡出來，豈不是很奇妙的嗎？」老師說。
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8 N8 @4 |% i4 s, n/ L; m6 C"Yes, sir." said one of the boys, " but it would be more wonderful if we knew how a chick gets in to its eggs hell before hand."
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, y/ j: `6 e2 h「是的，老師。」一個男學生說，「可是，如果我們知道它是怎樣事先鑽進蛋殼裡的那就更奇妙了。」

它是怎樣事先鑽進蛋殼裡的