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【单选题】
Which of the following explanations is the figurative meaning of the idiom “汗牛充栋”?
A.
There are many oxen.
B.
There are many books.
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题目标签：汗牛充栋
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Which of the following explanations is the figurative meaning of the idiom “汗牛充栋”?
A.
There are many oxen.
B.
There are many books.