词根词缀：anti-, ant-

【来源及含义】Greek: against, opposed to, preventive; used as a prefix

【相关描述】Don't confuse this anti- ("against, preventive") with the anti- which means "before".

【同源单词】anecdote, antacid, antagonism, antagonistic symbiosis, antagonize, Antarctic

词根词缀：arcto-, arct-

【来源及含义】Greek: of the bear, bear [the animal]; or the north, northern

【相关词根词缀】 Related "bear, bears (animals)" word units: Berserk; ursi-.

【同源单词】antarctic air, antarctic anticyclone, Antarctic bottom water, Antarctic Circumpolar Current, Antarctic, Antarctical