While there's no conclusive evidence yet that it has potential health risks to humans, it is considered a probable human carcinogen by the International Agency for Research on Cancer.
同时，有没有确凿的证据，但它潜在的健康风险给人类，它被认为是可能的人类致癌物质，由国际癌症研究机构。
NASA says readings from UARS provided conclusive evidence that chlorine in the atmosphere, originating from human-produced chlorofluorocarbons, is at the root of the polar ozone hole.
美国宇航局称，从uars读取的数据提供了决定性证据，证明人类产生的使大气中的含氯的氯氟化合物是造成极地臭氧空洞的根源。
应用推荐