natural selection
n.[生]自然选择,物竞天择说
难易程度:
natural selection为短语/超纲词汇
natural selection
evolutionary theory that animals survive or become extinct according to their ability to adapt themselves to their environment 自然选择; 天择.
natural selection
1. Eye contact should be natural, not forced or overdone.
目光的接触应该自然，而不要勉强或过度。
2. But divorce destroys the stability, security, and continuity that children need: it results in poverty for many women and children; it damages the natural link between father and children and replaces it with one of regulated, arranged visits;
但是离婚摧毁了孩子所需要的稳定感、安全感、整体感，造成了很多妇女儿童的贫困，破坏了父亲与子女间的自然联系，代之以人为安排的定期探视。
3. But then you have to wonder why, over time, natural talent seems to waken in some people and dim in others.
可是你也会问为什么随着时间的推移，天才在一些人身上显露出来，而在另一些人身上却暗淡下去。
4. Water is in rock deep under the ground, in natural holding areas -- in storage.
水深藏于地底下的岩层里、在天然蓄水区里 -- 水就储存在那里。
5. While natural gas use increases, use of coal as fuel is decreasing.
随着天然气利用量的增长，煤炭作为燃料的使用量正在减少。
6. Women, she believes, should take responsibility for the natural balance of their body chemistry.
她认为女性有必要保持体内自然的化学平衡。
7. The Sahara Desert is a natural barrier between North and Central Africa.
撒哈拉沙漠是北非与中非之间的天然屏障.
8. They are considering the exploitation of natural resources.
他们正在考虑开发自然资源。
9. Their life is a natural harmony.
他们的生活是一种自然的和谐。
10. This rabbit had no natural enemies in the Antipodes, so that it multiplied with that promiscuous abandon characteristic of rabbits.
这种兔子在澳大利亚及新西兰没有天敌，因此便以兔子所特有的杂乱交配迅猛繁殖起来。
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目光的接触应该自然，而不要勉强或过度。
2. But divorce destroys the stability, security, and continuity that children need: it results in poverty for many women and children; it damages the natural link between father and children and replaces it with one of regulated, arranged visits;
但是离婚摧毁了孩子所需要的稳定感、安全感、整体感，造成了很多妇女儿童的贫困，破坏了父亲与子女间的自然联系，代之以人为安排的定期探视。
3. But then you have to wonder why, over time, natural talent seems to waken in some people and dim in others.
可是你也会问为什么随着时间的推移，天才在一些人身上显露出来，而在另一些人身上却暗淡下去。
4. Water is in rock deep under the ground, in natural holding areas -- in storage.
水深藏于地底下的岩层里、在天然蓄水区里 -- 水就储存在那里。
5. While natural gas use increases, use of coal as fuel is decreasing.
随着天然气利用量的增长，煤炭作为燃料的使用量正在减少。
6. Women, she believes, should take responsibility for the natural balance of their body chemistry.
她认为女性有必要保持体内自然的化学平衡。
7. The Sahara Desert is a natural barrier between North and Central Africa.
撒哈拉沙漠是北非与中非之间的天然屏障.
8. They are considering the exploitation of natural resources.
他们正在考虑开发自然资源。
9. Their life is a natural harmony.
他们的生活是一种自然的和谐。
10. This rabbit had no natural enemies in the Antipodes, so that it multiplied with that promiscuous abandon characteristic of rabbits.
这种兔子在澳大利亚及新西兰没有天敌，因此便以兔子所特有的杂乱交配迅猛繁殖起来。
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