European birch with dull white to pale brown bark and somewhat drooping hairy branches 同义词：downy birch, Betula pubescens,
例句与用法
1.
Russian dances : the famous ” : little white birch ” dance troupe will travel from russia to present performances in beijing 俄罗斯舞蹈家：著名的"小白桦树"剧团将从俄罗斯旅行到北京演出。
2.
Norway is one of the most beautiful countries in europe . there are spectacular mountains and lakes everywhere . tall mountains meander thousands of miles from the north to the south of the country , and dark blue lakes reflect white birch trees that are continuous for many miles 威是欧洲最漂亮的国家之一，处处可见美丽的高山湖泊，高耸的山群由北至南迤逦千里，深邃湛蓝的湖面倒映著绵延数里的白桦树影，是诗也是画。
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