<正> 长期来,提及美国“Mississippi Valley type”铅锌矿的文章,常把“valley”一词译为“河谷”,这是不对的。在美国英语中,valley有两个意思:一是“an elongated lowland between ranges of mountains, hills or other uplands, often having a river or stream running along the bottom" (山脉、山丘或其高地之间的长形低地。常有河溪流过),大体相当
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