托福寫作核心詞組一覽

雅思托福考試對于想要出國留學(xué)或移民的人來說，是一個非常重要的考試。因此，了解考試的時間表和出分時間對于準(zhǔn)備考試的考生來說非常關(guān)鍵。下面中國教育在線外語頻道小編就為大家分享一下“托福寫作核心詞組一覽”？

1.a couple of 兩三個，幾個

Although he thought of the key idea in 1951, the first maser was not completed until acouple of years later.

2. account for 解釋

Variations of clay composition and the temperatures at which they are fired account forthe differences in texture and appearance.

3. adapt to 使適應(yīng)于

They have been able to adapt to ecological changes.

4, adorn with sth 用…裝飾

Some pots were adorned with incised or stamped decorations.

5.appeal to 吸引

Publishing literature consisting of exciting stories that would appeal to both childrenand adults

6.apply to 適用于

Ethological theory began to be applied to research on children in the 1960’s.

7.at best 充其量，最多

Hunting is at best a precarious way of procuring food, even when the diet issupplemented with seeds and fruits.

8.at intervals 相隔一定距離

However, at intervals of 10 to 100 years, these glaciers move forward up to 100 times faster than usual.

9.at the expense of sth 在損害…的情況下

A multitude of microorganisms make their livings directly at the expense of othercreatures.

10.at the height of sth 在…最鼎盛時期

The violin had reached the height of its popularity by the middle of the eighteenthcentury. 11.back and forth 來回地 They then spiral back and forth between the Earths magnetic poles very rapidly.

12.be absent from 缺席，不在 Lacking the right to vote and absent from the seats of power, women line were not considered an important force in history.

13.be capable of 能..的 Many animals are capable of using objects in the natural environment as rudimentary tools.

14. be characterized by 以…為特征The nervous system of vertebrates is characterized by a hollow, dorsal nerve cord that ends in the head region as an enlargement, the brain.

15.be composed of 由…組成

Ocean life is primarily composed of plants.

16.be concerned with 與某事物有關(guān)

Ethnology is concerned with the study of adaptive, or survival, value of behavior and its Evolutionary history.

17.be distinct from 與…不同

Jupiter and the other giant planets are of a low-density type quite distinct from the terrestrial planets

18.be essential to 對…不可缺少

Public performance is essential to verbal art.

19.be exposed to 使接觸，使遭受

Body contact reduces the surface area exposed to the cold air.

20.be far from 離…很遠(yuǎn)，根本不是

But far from being random, molt is controlled by strong evolutionary forces that have established an optimal time and duration.

21. be hostile to 極不友好的，極厭惡的

Ocean bottom is a hostile environment to humans

22.be regarded as 被認(rèn)為是

Humanitys primal efforts to systematize the concepts of size, shapes, and number are usually regarded as the earliest mathematics.

23.be related to 與…有關(guān)的，相聯(lián)系的

Why is dancing closely related to popular music in the United States?

24. be responsible for 對…負(fù)責(zé)

In fact, nuclear reactions that convert hydrogen to helium are responsible for most of the energy that stars produce.

25. be sensitive to 對…敏感的

Ants can be extremely sensitive to these signals.

26.be subjected to 經(jīng)歷，遭受

Oil is formed when organic material trapped in sediments is slowly buried and subjected to increased temperatures and pressures, transforming it into petroleum.

27. be superior to 優(yōu)越于

Natural vitamins are superior to synthetic ones

28 .be traced to 找出根源

The ancestry of the piano can be traced to the early keyboard instruments of the fifteenth and sixteenth centuries.

29. be/become aware of 意識到，認(rèn)識到

People became aware of the new service by word of mouth or newspaper advertisements.

30. be/become/get accustomed to 習(xí)慣于

In the harsh environment of northern Europe, Scandinavian women had been accustomed to practicing forms of shifting cultivation, and they immediately understood

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