dilute
动词 dilute:
lessen the strength or flavor of a solution or mixture
同义词:thin, thin out, reduce, cut
corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
同义词:adulterate, stretch, debase
形容词 dilute:
reduced in strength or concentration or quality or purity
同义词:diluted