cumulus

n. 积云,堆积

cult, cultivable, cultivate, cultivated, cultivation, cultivator, cultural, culturally, culture, culture shock, culture vulture, cultured, cultured pearl, culvert, cum, cumbersome, cumin, cummerbund, cumulative, cumulatively, cuneiform, cunnilingus, cunning, cunningly, cunt, cup, cup final (usu 通常作 Cup Final), cup-tie, cupboard, cupful, Cupid, cupidity, cupola, cuppa, cupro-nickel, cur, curability, curable, curacao (also curacoa), curacy,