点击下方单词,选择对的这个单词
1. second childhood : 老年的智力衰退时期；
名词
1. 童年;幼年时代A person's childhood is the period of their life when they are a child.
1. the state of a child between infancy and adolescence
Synonym: puerility
2. the time of person's life when they are a child
多通过句子记忆单词，而不是单独死记硬背。
