英语词汇black frost的起源、历史背景-英语词源词典

词汇	black frost
词源	black frost. Long a name for a severe frost that kills plants, sometimes turning them black or blackish; a killing frost, as op- posed to a slight or light frost. The average time of the first black frost depends primarily upon the area of the country, and some U.S. areas (such as Key West, Florida) have no black frosts. A black frost marks the end of the growing season.
随便看	ought to be bored for the hollow horn ought to be bored for the simples ouija board our bread is buttered from the same plate our cake is dough our country right or wrong our lord-s candle our perry and our porter were too much for john bull to swallow out out at the elbows outcome outfit out-herod herod outhouse outlaw out of heart out of kilter out of left field out of sight out of mind out of sorts out of the ballpark out of the frying pan into the fire out of touch outsourcing outta sight

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