用肉眼

Omega Centauri is also the brightest globular cluster, at apparent visual magnitude 3.9 it is visible to southern observers with the unaided eye.

半人马座欧米伽星团也是最明亮的球状星团，其亮度大小显示为3.9星等，在南半球的观察者用肉眼就可以欣赏它了。

We can not see bacillus with eyes.

我们不能用肉眼看到细菌。

The chromatic aberration of the Maxivision was so small that it is practically undetected by naked eye.

"大有可觀"鏡的色差是如此小量以致實際上不可以用肉眼察覺。

From my copilot's seat . the dust was thick enough to see with the naked eye .Price said .

从我的副驾驶座，灰尘厚得用肉眼可以看到，Price 说。

However, Uranus is barely visible to the unaided eye on a crystal-clear night.

然而，在水晶般透明的夜晚，天王星用肉眼是勉强可见的。

It is too diminutive to see with bare eyes.

那太小了，无法用肉眼看到。

Endoscopy is the direct visual examination of any part of the inside of the body, using an endoscope.

内镜是直接用肉眼检验的任何部分内的机构，使用内视镜。

Even at that, it'd be a red dwarf star. These red dwarfs are thought to make up 75% of the Milky Way galaxy's stars, but these stars are so small and faint that not a single one can be seen with the unaided eye!

人们认为75%银河系是由红矮星构成的，但是由于它们是那么的小且发出光也不强，所以很难直接用肉眼识别出一颗红矮星。

If you have difficulty discerning star colors with the unaided eye, try looking at these stars with binoculars.

如果你用肉眼很难分辨到星星的颜色，那么就尽力用双眼去关注这些星星。

If you have difficulty discerning star colors with the unaided eye, try looking at these stars with binoculars.

如果你不能用肉眼发现，试着用望远镜看。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。