bonanza /ba'naenza; bo'naenz/ n [C](pl ~s) (US) sth, eg a gold-mine, an oil-well, that is prospering greatly; (attrib) bringing good luck and prosperity: (Ztz)產(chǎn)量旺盛的金礦、油井等; 富礦帶; 大為興隆的事物; (形容用法) 帶來(lái)幸運(yùn)及興隆的： a ~ year. 幸運(yùn)發(fā)財(cái)?shù)囊荒辍?/td>