an event causing great and often sudden damage, distress, or destruction
灾难, 灾害
a sudden, violent natural disaster that drastically alters the earth's landscape
大灾难, 自然灾害
action that breeds severe damage or destruction
破坏, 蹂躏
an extremely intense and destructive fire
大火, 毁灭性火灾
a cause of widespread suffering or affliction
祸害, 灾难
a smaller earthquake or tremor that follows the main shock of a seismic event
余震, 次级震动
an earthquake caused by underground movement or volcanic activity
地震, 震动
a sudden and heavy rainfall
暴雨, 洪水
the action of rescuing a ship, its crew, or its cargo from a shipwreck, fire, or similar disaster
救助, 打捞
the point on the surface of the earth vertically above the focus of an earthquake where its effects are felt most strongly
震中, 中心
a tornado occurring over a body of water, characterized by a funnel-shaped cloud filled with water droplets or spray
水龙卷, 海龙卷
a waste treatment process that involves the combustion of substances contained in waste materials
焚烧炉, 垃圾焚烧装置
a risk to human health or to the environment caused by a biological source, especially microorganisms
生物危害, 生化危机
the semi-solid residue produced during sewage or wastewater treatment
污泥, 半固体废物
a black powdery substance produced by burning materials like wood or coal
煤烟, 烟灰
liquid waste or sewage discharged into rivers, lakes, or the sea
污水, 液体废物
waste or debris produced by the disintegration or decomposition of organic or inorganic matter
碎屑, 废物
a protective garment worn by workers to safeguard against exposure to hazardous substances or environments
危险物质防护服, 防化服
airborne particles, such as dust or debris, that settle after a nuclear explosion or similar event
放射性尘埃, 核 fallout
a suspension of fine solid or liquid particles dispersed in a gas
气溶胶, 气溶胶
a small, discrete particle or substance, especially one suspended in air, such as dust, pollen, or soot
颗粒, 颗粒物
a device in a vehicle's exhaust system that reduces the emission of harmful pollutants by promoting chemical reactions that convert them into less harmful substances
催化转换器, 催化剂
