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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One of the most popular tongba spots in the city is the Small Star Restaurant, located on an alley full of shops selling cloth and cotton thread, just off Thahiti Square, one block south of the tourist district, Thamel.

BBC: Nepal��s local eateries