三北
三北三北[sān běi]1.■The three Norths (for northwest China, north China, and northeast China):三北防风林带the “three norths” forest belt; the “three norths” shelter belt
热门单词
三北三北[sān běi]1.■The three Norths (for northwest China, north China, and northeast China):三北防风林带the “three norths” forest belt; the “three norths” shelter belt
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