Used in a sentence: The researchers applied various various tests to ascertain the amount air pollution was while in the drinking water. These examples are from corpora and from resources online. Any views inside the examples do not stand for the impression from the Cambridge Dictionary editors or of Cambridge https://finnmubh18418.timeblog.net/64260897/die-evolution-des-staubsaugers-von-der-kuriosit%C3%A4t-zum-haushaltshelfer