Some environmentalists worry that if cork starts to lose it ' s value , the cork oak forests of europe will no longer be protected.
一些环保人士担心软木塞开始失去价值，欧洲的软木橡树森林不再得到保护。
Oak, a general designation of oak plant genera, are tree resources of considerable high economic value and widely distributed in China.
栎树为栎属植物的统称，在我国分布范围很广泛，是具有很高经济价值的树木资源。
Oak, a general designation of oak plant genera, are tree resources of considerable high economic value and widely distributed in China.
栎树为栎属植物的统称，在我国分布范围很广泛，是具有很高经济价值的树木资源。
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