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Scientists discover, lover's photos have pain relieving effect.
科学家发现，恋人的照片有减轻疼痛的功效。
youdao
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Scientists discover new species all the time—on the order of 15,000 a year.
科学家时时刻刻在发现新物种——每年大约能发现15000种。
youdao
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Scientists discover new species all the time—on the order of 15,000 a year.
科学家时时刻刻在发现新物种——每年大约能发现15000种。
youdao