| 释义 |
pollutant|pəˈl(j)uːtənt|
[f. pollute v. + -ant1.]
A polluting agent or medium.
1892Pall Mall G. 22 Dec. 6/2 Waste acid as a pollutant. 1936Nature 29 Feb. 353/2 The presence of pollutants in the atmosphere is proof of wastage of fuel. 1958Times 13 Nov. 9/1 The even more harmful gaseous pollutants present a problem which will tax the resources of all engaged in the present campaign. 1966Listener 3 Nov. 656/2 Fluoride..can be used for the improvement of human welfare. Out of place it is a more serious pollutant than chlorinated hydrocarbons, in that it is indestructible. 1970Daily Tel. 30 Dec. 3/1 Mercury is now the most dangerous environmental pollutant. 1977Guernsey Weekly Press 21 July 3/1 Petrol could become a pollutant of the past if the device fitted to a local car is marketed worldwide. |