enhancement

n. 增加，提高

engaging, engagingly, engender, engine, engine-driver, engineer, engineering, England, English, English breakfast, Englishman, engrave, engraver, engraving, engross, engrossed, engrossing, engulf, enhance, enhanced, enigma, enigmatic, enigmatically, enjoin, enjoy, enjoy oneself, enjoyable, enjoyably, enjoyment, enkindle, enlarge, enlargement, enlarger, enlighten, enlightened, enlightening, enlightenment, enlinghtened, enlist, enlisted man,