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来源:雅诚德英语网
But now, what about cases where an animal exhibits a clear choice between two suitable habitats?
但现在,如果动物在两个合适的栖息地之间表现出明确的选择呢?
But now, what about cases where an animal exhibits a clear choice between two suitable habitats?
但现在,如果动物在两个合适的栖息地之间表现出明确的选择呢?