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So, what's causing this? We have a lot of scientists around the world working on it. We believe that it's environmental stress.
那是什么原因呢?有很多科学家都在研究。我们相信是环境的压力。
《America Revealed》《透视美国》
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How do plants adapt to environmental stress?
植物们是如何适应环境的压力的?
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Phosphorus stress is often an environmental stress for forest trees.
磷胁迫是森林树木常常遭遇到的逆境。
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Furthermore, plant-based diets ease environmental stress, including global warming.
而且,植物食品减轻了环境压力,包括了全球变暖的问题。
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Fat metabolism is mainly affected by heredity, nutrition and environmental stress.
猪的脂肪代谢主要受遗传、营养以及环境应激等因素的影响。
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These changes can be considered as the responses of plants to environmental stress.
这种细胞壁的改变可以认为是植物对环境胁迫的响应。