understructure〔名词〕基础,下层结构详细»
understructure〔名词〕基础,基本,下层结构详细»
understructure〔名词〕下层节构详细»
understructure〔名词〕基础,下层结构;n.下层节构详细»
understructure〔名词〕下部结构详细»
基本fundamental;ground;essential;master;elemental;overriding;elementary;primitive;radical;atomic;cardinal详细»