名词
中文翻译：小管
同义词：
['capillary', 'capillaries']
例句：
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1.The tiny vallicules in the skin are responsible for filtering blood.
皮肤中的微小血管负责过滤血液。
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2.The plant's roots have many capillaries that distribute nutrients throughout its body.
这种植物的根部有许多毛细血管，将养分输送到其全身。
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3. The capillaries in the skin help to regulate temperature and prevent heat loss.
皮肤中的毛细血管有助于调节温度并防止热量流失。