improvement

n.改进，改善；改进处

impressions, impressive, impressively, impressiveness, imprimatur, imprint, imprinting, imprison, imprisonment, improbability, improbable, improbably, improbity, impromptu, improper, improper fraction, improperly, impropriety, improve, improve on, improvidence, improvident, improvidently, improvisation, improvise, improvised, imprudence, imprudent, imprudently, impudence, impudent, impudently, impugn, impuissance, impulse, impulse buying, impulsion, impulsive, impulsively, impulsiveness,