critical period
柯林斯词典
1. N a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards 关键时期; 生命中会产生特定发展阶段的一个时间段，如果该阶段没有出现，以后可能也不会出现[psychol]
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1. N a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards 关键时期; 生命中会产生特定发展阶段的一个时间段，如果该阶段没有出现，以后可能也不会出现[psychol]