| 释义 |
with the naked eye
释义
以肉眼：指不使用任何辅助工具，直接用肉眼观察或辨认。
例句
1·Maybe you can see the Great Wall clearly from space with binoculars but not with the naked eye .
也许你可以用双筒望远镜从太空中清楚地看到长城，但用肉眼却看不见。
2·From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.
从一端到另一端，银河系布满星星的圆盘横跨12万光年，可以用肉眼和光学望远镜观察到。
3·Usually there is only one or two a year bright enough to be seen with the naked eye .
通常，一年只有一到两颗彗星明亮得肉眼可见。
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