constructively

ad.有益的，积极的

constipation, constituency, constituent, constituent assembly, constitute, constitution, constitutional, constitutionalism, constitutionally, constitutive, constrain, constrained, constrainedly, constraint, constrict, constriction, constringe, construct, construction, constructive, constructor, construe, consul, consular, consulate, consulship, consult, consult with, consultant, consultation, consultative, consulting room, consume, consumer, consumer durables, consumer goods, consumerism, consuming, consummate, consummation,