Scientists blame the recent flurry of animal infections on more free trade within Europe, and a warmer climate, allowing more disease-carrying insects to thrive.
科学家们把最近一系列的动物传染病归咎于欧洲越来越多的自由贸易,以及变暖的气候,这使得越来越多的携带病毒的昆虫肆虐。
Scientists blame the recent flurry of animal infections on more free trade within Europe, and a warmer climate, allowing more disease-carrying insects to thrive.
科学家们把最近一系列的动物传染病归咎于欧洲越来越多的自由贸易,以及变暖的气候,这使得越来越多的携带病毒的昆虫肆虐。
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