精选优质文档-倾情为你奉上Before birth, babies can tell the difference between loud sounds and voices. They can even distinguish their mothers voice from that of a female stranger. But when it comes to embryonic learning (胎教), birds could rule the roost. 状语As recently reported in The Auk: Ornithological Advances, some mother birds may teach their young to sing even before they hatch (孵化)。New-born chicks can then imitate their moms call 状语within a few days of entering the world.This educational meth