德国科学的最新研究证明,人类在尚未进化成为真正意义上的“人”之前就已经学会笑了,并且这种笑是真正的愉悦表现,而非像人们在急促喘气或进行深呼吸时脸上流露的那种类似于笑的表情。科学家们指出,人类的近亲——倭黑猩猩的幼仔在出生后数月内就能够像婴儿一样发出 The latest research in German science proves that humans have learned to laugh before they have evolved to be truly “human”, and that such laughs are truly pleasurable rather than as if people pant their breath or take a deep breath The kind of laughter on the expression. Scientists point out that a human close relative, a bonobo’s cub, can be issued like a baby within a few months of birth