momentous

adj. 极重要的，严重的

molehill, moleskin, molest, molestation, molester, moll, mollification, mollify, mollifying, mollusc (US also mollusk), mollycoddle, Molotov cocktail, molt, molten, molto, molybdenum, mom, moment, momentarily, momentary, momentum, momma, Mon, mon(o)-, monarch, monarchic, monarchism, monarchist, monarchy, monastery, monastic, monasticism, monaural, Monday, monetarism, monetarist, monetary, money, money order, money-back,