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This is a formidable lobby in the Pacific north-west, which has been defined to a remarkable degree by 16 huge dams that blockade the Columbia river and its principal tributary, the Snake.
ECONOMIST: Water in the West (2)
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。