| 1. | Microbes are too small to be seen by the naked eye .
微生物很小，肉眼看不见。 |
| 2. | This fungus can just be detected by the unaided eye .
这种真菌只用肉眼就能检查出。 |
| 3. | The star is visible .
那星星可以用肉眼看见。 |
| 4. | At this stage there is a latent image which is not yet visible .
这一阶段便形成肉眼仍不可见的潜像。 |
| 5. | Let us first survey what we see in the sky with the naked eye .
让我们先介绍一下肉眼所见的天空面貌。 |
| 6. | Most cells are too small to be detected by the unaided human eyes .
绝大多数细胞都很小，肉眼看不到。 |
| 7. | The gross appearance of the bowel may be normal from the serosal surface .
肠管肉眼所见，浆膜面可以正常。 |
| 8. | 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。 |
| 9. | Visible particulate matter can be controlled by adequate regulations .
对肉眼可见的颗粒物质的污染通过适当管理即可加以控制。 |
| 10. | Indispensable for the observer is a good star atlas, containing all naked eye stars .
观测者必须具备一份包括肉眼能看到的所有天体的好星图。 |
