“如果上面真有外星人，他们可能会住在昼夜分割线附近，这样就可以随意穿梭于黑夜与白昼之间了。”某科学家如是说。

Aliens, if they exist, are most likely to live along the line between shadow and light, a temperate region known as the terminator, the scientists said.

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美国诗人朗费罗称这样一种“黑夜与白昼之间”的绽放，为“黑郁金香时刻”。

The American poet Longfellow called this blossoming between days and nights a moment of black tulips.

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