When babies laugh, we know they are happy, and whey they cry, we know they are ill of simply want something.

当婴儿笑时，我们知道他们很快乐；当他们哭时，我们知道他们病了或只是想要什么东西。

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When babies laugh, we know they are happy, and whey they cry, we know they are ill of simply want something.

当婴儿笑时，我们知道他们很快乐；当他们哭时，我们知道他们病了或只是想要什么东西。

youdao