The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.

  • 搜捕工作证明是很困难的, 因为人们看到的这只美洲狮常常是早上在一个地方,而晚上又在二十英里之外的另一个地方.

  • ——《用法词典》 2020-10-24 19:28:00

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