由全球40个组织组成的这一联盟在一项声明中说，东北虎的数量在过去四十年中下降剧烈。
The alliance of 40 organizations worldwide issued the statement upon news that Siberian tigers may have suffered a serious drop in Numbers over the past four years.
由全球40个组织组成的这一联盟在一项声明中说，东北虎的数量在过去四十年中下降剧烈。
The alliance of 40 organizations worldwide issued the statement upon news that Siberian tigers may have suffered a serious drop in Numbers over the past four years.
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