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蛋煮熟了,剥掉蛋壳,吃掉蛋白,剩下的是滴溜滚圆的圆球形蛋黄。蛋黄为啥是圆球形的呢?下面做个实验就会明白其中的奥秘。
Egg cooked, peeled off the eggshell, eat the protein, leaving the ball is dripping round spherical egg yolks. Why the egg yolk is spherical? Here to be an experiment will understand the mystery.