单词	分级规约
释义	分级规约hierarchy
随便看	lifesavers life saving life-saving lifesaving life saving apparatus life saving apparatus [= life saving appliance] life saving appliance life-saving appliance life-saving capsule lifesaving equipment life saving jacket lifesaving jacket lifesaving jacket (lsj) life saving rocket life savings lifesaving service 救生处 life saving signal life saving station life saving station {= lss} lifesaving station 救生站 life science life science(s) life sciences life scientist life script