Wilting toxins can induce to block the xylem of cotton seedling.

致萎毒素可引起棉苗维管束系统堵塞。

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An object made of a soft, pliable material, such as cotton or rubber, and fitted into the ear canal to block the entry of water or sound.

一种由柔软而灵便的材料制成的东西，如棉、橡胶等材料，以嵌入耳道挡住水或声音的进入。

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Also, darker colors may offer more protection, and natural cotton can block more than bleached cotton.

同样，深颜色能够提供更多防护，天然棉比漂白棉更能阻挡紫外线。

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Also, darker colors may offer more protection, and natural cotton can block more than bleached cotton.

同样，深颜色能够提供更多防护，天然棉比漂白棉更能阻挡紫外线。

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