eye smudge
眼睛模糊
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The galaxy is visible to the naked eye on moonless nights as a smudge of light and is the most distant object visible without a telescope.
该星系在无月夜的夜晚可由肉眼观测到一个小光斑，它也是不借助望远镜能被肉眼观测的最远天体。
The liquid acts as an additional lens, narrowing the beam of light just as a telescope turns what looks to the naked eye like a smudge on the horizon into a crisp image.
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