三时学会
三时学会-
例如，除了极小数婴儿外，所有的孩子都能在两岁时学会走路，三岁时学会说话，但是没有两个孩子是以同样的方式达到这一标准的。
All but a few babies , for instance , learn to walk by the age of two and to talk by the age of three , but no two get there quite the same way .
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她是个非常聪明的孩子，三岁时，已经学会了读书习字，并第一次在舞台上公开演出。
She was a highly intelligent child . By the age of three , shehadlearned to read and write . She also made her firstpublicappearance at that age .