back〔名词〕背面,背网,衬垫;n.叶背详细»
back拖欠,退回,背书详细»
back〔动词〕背书 ,支持,背签 ,签字批准详细»
back〔名词〕背面详细»
back〔名词〕背书详细»
back〔副词〕向后,回,以前;n.背,后面,基座,岭详细»
back〔名词〕背面,背部详细»
back〔副词〕向后(回,以前);n.背(后面,基座详细»
back〔名词〕背,后面详细»
back〔名词〕背书详细»
back〔名词〕巷道顶板,两水平间的矿脉,走向节理,巷道顶板,露头详细»
back退回,拖欠,资助,背书详细»
back〔名词〕背详细»
back【矿】巷道顶板,两水平间的矿脉详细»
back〔名词〕背,后背详细»
back后面详细»
back背后的背面，后面（推进器）叶背底座，衬垫向后，退后返回详细»