劍橋詞典geology specialized a place that has very large supplies of a mineral or other natural resource 主礦脈；礦產(chǎn)和其他自然豐富的地區(qū) The Pacific Northwest has been the motherlode of the nation's aluminum output for 60 years . 太平洋西北60多年來(lái)一直是這個(gè)國(guó)家鋁礦的主產(chǎn)地。 Cairn Energy recently struck the motherlode of oil fields in India . 卡恩能源最近在印度的油田找到了產(chǎn)油層。 something that supplies a very large amount of a thing, quality , etc. that you want 主產(chǎn)區(qū)；主要供應(yīng)來(lái)源 The flight data recorder had documented about 200 pieces of information , a motherlode for crash investigators . 飛行記錄儀存貯了200條信息，是飛行事故調(diào)查員的主要信息來(lái)源。 With this market , vintage clothes shoppers have hit the motherlode. 有了這個(gè)市場(chǎng)，買舊款服裝的人算是找到了好地方。 返回 motherlode