mettlesome

adj. 精神抖擞的

methyl alcohol, methylated, methylated spirits, meticulous, meticulously, meticulousness, metier, metre, metre (US meter), metric, metric ton, metrical, metricate, metrication, Metro, metronome, metropolis, metropolitan, Metropolitan France, mettle, Meuse Valley, mew, Mew Jersey, mews, Mexican, Mexico, mezzanine, mezzo, mezzo-soprano, mezzotint, MF, mg, Mgr, MHz, mi, mi (also me), MI5, MI6, Miami, miaow,