hazardn.危险；冒险；危害vt.冒险；赌运气阿扎尔（英超切尔西队球员）hazard system灾害系统hazard region危险地形hazard points危险点hazard zoning危险度区划hazard degree危险度hazard factor危险因素hazard marker危险标志,危险指示标hazard arrest冒被捕的危险hazard rating危害分级hazard source危险源