earthdayn.地球日(等于24小时)
earthn.地球;泥土;世间
earthworkwrstoolsn.土工工具
earth-rock dams土石坝
earthwork fabrics土工织物
earth-rock fill土石方填筑
Earth Orbit Plane地球轨道平面
earth-grounding接地
earth environment地球环境
earthwork control土方控制
earthwork balance土方平衡
earthing of seeds种子层积