公牛和母牛分别象征达尔玛和地球。

The bull and cow stand symbolic for dharma and the earth respectively.

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公牛和母牛很容易区分。

It is easy to tell an ox from a cow.

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老师：为什么说“一只公牛和母牛在田里”是错的？

Teacher: Why is it wrong to say "a bull and cow is in the field?"

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The answer is 2200 liters of barley, 526 of olives, 468 of wine--I hope you remember all this; fifteen rams, one fat hog, one cow, and two bulls.

答案是两千二百升大麦,五百二十六个橄榄,四百六十八桶酒--我希望你们全能记住,十五头公羊,一头肥猪,一头母牛和两头公牛

耶鲁公开课 - 古希腊历史简介课程节选