| 1. | This fungus can just be detected by the unaided eye .
这种真菌只用肉眼就能检查出。 |
| 2. | Gross crystalline imperfections like twinning are apparent to the unaided eye .
粗的晶体不完整性，如孪生体可用肉眼看出。 |
| 3. | That comet is invisible to the unaided eye
那颗彗星只用肉眼是看不到的。 |
| 4. | Inclusions in i1 diamonds often are seen to the unaided eye
I1等级的钻石常含有肉眼可见的内含物。 |
| 5. | The constellation ' s nebula is invisible to the unaided eye , but can be resolved with binoculars or small telescopes
星云用裸眼是看不到的，但是用双筒望远镜或小望远镜就能分解出它。 |
| 6. | Although andromeda galaxy is faint for the naked eye , it is one of the farthest objects which can be seen with the unaided eye
虽然仙女座大星系晦暗难辨，但它可是人类肉眼所能看见最遥远的天体之一。 |
| 7. | The great nebula in orion can be found with the unaided eye just below and to the left of the easily identifiable belt of three stars in the popular constellation orion
我们不用望远镜也可以在猎户座腰带三颗星的左下方，轻易地找到这片猎户座大星云。 |
| 8. | An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects , especially of objects too small to be seen by the unaided eye
显微镜用一个透镜或一些透镜的组合来制造小物体的放大形像的视力工具，通常用来观察肉眼看不到的物体 |
| 9. | While the orion nebula and belt stars are easy to see with the unaided eye , emission from the extensive interstellar gas is faint and much harder to record , even in telescopic views of the nebula - rich complex
猎户座大星云和腰带星是肉眼即可见的天体，不过广垠的暗淡云气则很难成像，甚至大部份这片云气遍布区域的望远镜影像也是如此。 |
