earthpean.[植]花生earthn.地球；泥土；世间earth-rock filled dam土石坝earth-preventing wall挡土墙Earth's self-rotation种子层积earth-quake magnitude地震等级earth station equipment地面站设备earth penetrating device穿地装置earth ground capacitance对地电容earthwork balance factor土方平衡系数earth covering thickness覆土厚度earth-dammed reservoir土蓄(贮)水池, 土坝水库