The nova was visible to the naked eye.

这颗新星肉眼可见。

The microdot was barely visible to the naked eye.

微点几乎无法用肉眼看到。

The arcing between the wires was visible to the naked eye.

电线之间的电弧用肉眼可见。

The Pleiades are visible to the naked eye in the night sky.

昴宿星团在夜空中肉眼可见。

A magnifier can make tiny details visible to the naked eye.

放大镜可以使肉眼看见微小的细节。

Betelgeuse is one of the largest stars visible to the naked eye.

参宿四是肉眼可见的最大恒星之一。

The micrographs revealed details that were not visible to the naked eye.

显微照片揭示了肉眼看不见的细节。

Large enough to be visible to the naked eye.

足够大的肉眼可见的。

N. This star is not visible to the naked eye.

这颗星肉眼看不见。

And its greenish blue glow may be visible to the naked eye.

可能用肉眼就能看到它绿蓝色的辉光。