1. * public health workers to eradicate the mosquito and its breeding places;
    * 公共卫生工作者来根除蚊子以及它们繁衍的地方；

2. Birth is much, but breeding is more.
    出身重要，教养更重要。

3. But there's a vast difference between the breeding programs as practiced by some groups (where the urge to breed certain types of people leads to efforts to destroy other types) and the much more harmless forms already practiced in democratic societi
    但是，某些团体实施的培育项目和在民主社会里已经实施的更为无害的培育方式，二者之间存在着天壤之别：前者为迫切地培育某类人而对其余的人进行毁灭，而后者，比如说律师，则是通过自由地选择与别的律师发生性关系得以实现。

4. The stagnant water was a breeding ground for disease.
    污浊的死水是疾病的孳生地。

5. The best horse needs breeding, and the aptest child needs teaching.
    最好的马要驯，最伶俐的孩子要教。

6. A genetic trail visible on the maps shows that the breeding ground for this mixed population probably lies in Ethiopia or the Middle East.
    图谱上显示的遗传轨迹表明这一混血人种的发生地可能就在埃塞俄比亚或中东地区。

7. So at last man knew that it is the mosquitoes, not their breeding grounds, the swamps, that are involved in the spread of malaria.
    所以最后，人们知道了是蚊子牵涉到疟疾的传播，而不是它们的繁殖地——沼泽地。