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unaided eye

n. 肉眼

1、肉眼

... turtle shell 玳瑁壳；海龟甲 unaided eye (不借助设备的)肉眼 unbound hair 飘散的头发 ...

obvious with unaided eye肉眼可易见

visible with unaided eye也能看到

Observe with an unaided eye以肉眼观察

能源科学技术

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