在格陵兰的雪中发现了大量的铅，其含量与在美国汽油中发现的相当。
The dominant lead ratio found in Greenland snow matched that found in gasoline from the United States.
在《人类环境杂志》上发表的一项研究称，科学家们发现，自引进无铅汽油以来，美国东北部土壤中的铅含量已经显著下降。
In a study published in the journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.
Murcia大学的研究人员测量了加油站附近空气中苯和己烷这两种与汽油有关的污染物的含量，并与普通汽车交通造成的污染数据进行了比较。
The researchers from the University of Murcia measured the levels of two common gasoline related pollutants, benzene and hexane, in the area around the stations.
应用推荐