农场上有多少只奶牛英语

The English translation of "农场上有多少只奶牛" is: "How many cows are there on the farm?"

Explanation:

1. "How many" — Used for asking about countable things (like cows).

2. "cows" — The plural form of "cow" (no need for "只" in English).

3. "are there" — The structure "there be" indicates existence.

4. "on the farm" — Preposition "on" is commonly used with "farm.

Other Possible Phrases:

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