单词例句

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1. abnormal

adj.反常的，变态的，不规则的

One or both wings are held in an abnormal position. 2. acid

n.酸 adj.酸性的；尖酸刻薄的

It is speculated that the food might interfere with the acid that decays teeth or with bacteria that produce the acid. 3. aesthetic

adj.审美的；美的，艺术的

Soon a distinct aesthetic code evolved : form should be simple ,surfaces plain, and any ornament should be based on geometric relationships. 4. amendment

n.改正，修正；修正草案

An early amendment to the act even prevented husbands and wives from filing separate claims. 5. aquatic

adj.水生的，水栖的

They feed on fish,frogs,crayfish, and other aquatic animals . 6. assess

v.评估，估定

His annual income was assessed at ten thousand dollars. 7. awkward

adj.有毛病的，难使用的；笨拙的，粗劣的

But even with the awkward interior configurations of the early apartment buildings,the idea caghut on. 8. basic

adj.基础的，基本的，根本的

No two comets ever look identical,but they have basic features in common. 9. bipedal

adj.两足动物的；两足的

The result emphasized that there were at least seven points of similarity with modern bipedal prints. 10. boundary

n.边界，疆界，限界

The site of this destruction is another kind of plate boundary into the mantle. 11. bumblebee

n.大黄蜂，土蜂

At a more advanced stage of sociality are the bumblebees. 12. Candidate

n.候选人；候补人

Initially, 70 sites were proposed as candidates for sanctuary status. 13. cater

v.迎合，投合

Not only did they cater to the governor and his circle,but citizens from all over


the colony came to the capital for legislative sessions of the assembly and council and the meetings of the courts of justice. 14. chaos n.混乱

These new urbanites,already convinced that cities were overwhelmed with great problems, eagerly embraced the progressive reforms that promised to bring order out of the chaos of the city. 15. claw

n.（动物的）爪

Countless animals, including us, bear external structures without blood supply or nerves---for example, our hair and fingernails,or the scales,claws and borns of other animals. 16. comet n.彗星

It was not comet of the century experts predicted it might be. 17. conclusive

adj.结论性的，确定性的：无争论余地的

Althought there are no conclusive answers yet, the way in which a society views its environment is sometimes apparen in its choice and use of artistic materials. 18. conservation

n.保存，维持（健康），保护（森林、河道、动物等）

Biological diversity has become widely recognized as a critical conservation issue only in the past two decades. 19. converse

① 谈话

After a few minutes of familiarization,pairs of deaf people are able to converse freely over television. ② Adj.倒转的 n.逆转

What you do for a living is critical to where you settle and how you live ----and the converse is also true. 20. curve

n.曲线 v.使弯曲

Market prices may move up or down (or remain the same ) in response to a host of factors causing shifts in supply (the whole supply curve ) or demand (the whole demand curve ) or both together. 21. definite

adj.明确的；确定的

It began to run more swiftly and cut more definite courses. 22. deteriorate

v.弄坏，使恶化

But no matter what its condition on the way down , a ship deteriorates much more slowly as it sinks deeper into protective layers of sand and mud.

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