| 1. | The breast is a secondary sex organ .
乳腺是属于第二性征器官。 |
| 2. | A secondary nitramide is then formed .
其结果生成仲硝酰胺。 |
| 3. | Sludge liquor is recirculated in the secondary system .
污泥水回流到二级处理系统。 |
| 4. | Lignin is a characteristic component of secondary walls .
木质素是次生壁成份的特征。 |
| 5. | Secondary interstices develop after the rock is formed .
在岩石形成以后再发展次生间隙。 |
| 6. | A secondary action of this drug is to cause pellagra .
这个药的一个副作用是会引起糙皮病。 |
| 7. | Screens serve a secondary purpose not patently obvious .
阻尼网还有一个不很明显的次要目的。 |
| 8. | Treachery, for him, seemed almost the secondary issue .
对他来说，背信弃义几乎成了次要问题。 |
| 9. | The secondary valence is directed toward fixed positions in space .
副介指向空间的确定位置。 |
| 10. | The resulting residual chromatism is known as secondary spectrum .
所得到的剩余色差叫做二次光谱。 |
