20秒记一个单词（第1983个）cognitive
a child's cognitive development 儿童的认知发展connected with mental processes of understanding 认知的；感知的；认识的:以上内容重...
庞晓木
15秒记一个单词（第1983个）cognitive
a child's cognitive development儿童的认知发展connected with mental processes of understanding 认知的；感知的；认识的:...
郦梦贝
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