“男孩子不能掉眼泪”是我们常常听见父母教育男孩的信念,更有一次听见有人说:她每次听见孩子哭的时候不去抱他,当他笑的时候再去抱,这样强化就可以让他从此少哭多笑,当时就觉得这个方法很奇怪。哭声是我们出生后发出的第一个声音,如果没有哭声,我们会担心这个婴儿的情况;哭泣对于婴儿来说是天经地仪的行为。这不禁让我对于哭声产生了好奇。我们为什么会哭呢?动物也许会呜咽、嚎叫,即使猿类有泪腺,但也只是用于清洁、呵护 “The boy can not shed tears ” is the belief that we often hear the parents educate the boy. One time he heard someone saying that she did not hold him every time she heard the child crying and hugged him when he laughed, You can make him cry less and more laughter, then think this method is very strange. Crying is the first sound we made after we were born. Without crying, we are concerned about the condition of the baby. Weeping is a natural phenomenon for babies. This can not help but make me curious about crying. Why do we cry? Animal may cry, howl, even if the apes have lacrimal glands, but only for cleaning, care