名词
中文翻译：奶脉
同义词：
['milk vein', 'milking duct', "teat vein例句：1. The cow's milking vein is exposed to the air", 'which can cause it to dry out quickly.（奶牛的奶头静脉暴露在空气中，这可能会导致它很快变干。）']
例句：
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1. The cow's milking vein is exposed to the air, which can cause it to dry out quickly.
奶牛的奶头静脉暴露在空气中，这可能会导致它很快变干。
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2.During the milking process, the milking vein is used to collect the milk from the cow's teat.
在挤奶过程中，奶头静脉被用来收集奶牛的奶。
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3. The farmer carefully milks the cow to ensure a good yield of milk.
农民仔细地挤奶，以确保牛奶产量良好。