名词
中文翻译：光向性
同义词：
['phototropism', 'phototactic', 'phototropic']
例句：
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1. Theplant's roots grow towards the light source, demonstrating phototaxis.
这株植物的根朝向光源生长，显示出了向光性。
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2. Phototaxis is a fascinating mechanism that allows plants to sense and respond to changes in light conditions.
向光性是一种令人着迷的机制，它使植物能够感知和响应光照条件的变化。
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3. Researchers have discovered that certain bacteria can exhibit phototaxis, which could be useful for biotechnology applications.
研究人员发现某些细菌可以表现出向光性，这在生物技术应用中可能是有用的。