ameliorate

v. 改善,改良,变好

ambidextrous, ambience (also ambiance), ambient, ambiguity, ambiguous, ambiguously, ambiguousness, ambit, ambition, ambitious, ambitiously, ambivalence, ambivalent, ambivalently, amble, ambrosia, ambrosial, ambulance, ambush, ameba, amelioration, amen, amenable, amend, amendment, amends, amenity, America, American, American football, American Indian (also Amerindian), American plan, Americanism, Americanize, -ise, Amerindian, amethyst, amiability, amiable, amiably, amicability,