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托福
托福词汇

accumulation

TPO词频:16次
ac一再
cumul堆积
at使
ion表名词
一再使堆积起来→积累

[əˌkjumjuˈleɪʃən]


【释义】

基本释义 n. 积聚

常考释义 n.积累

【变形】

复数:accumulations    

n. 积累;积攒;积累;积聚

【语块】

accumulation fund

capital accumulation

heat accumulation

【TPO例句】

1. This accumulation, in turn, reduces the water movement and the oxygen supply. (TPO44-P3)

这样的积累反过来也减少了海水的运动和氧气供应。

2. The climates of the higher latitudes are generally less favorable for the accumulation of large quantities of biomass; hence, the structure of vegetation is simpler and the animal diversity is consequently lower.(TPO40-P2)

高纬度地区的气候条件一般不利于大量生物的集聚,因此,植被结构更简单些,动物的多样性也相应较低。

3. Because Graves’ study of geographically isolated populations of isthmus fishes offers a glimpse of the beginning of a process of gradual accumulation of mutations that are neutral or adaptive, divergences here might be evidence of allopatric speciation in process.(TPO31-P1)

因为格雷夫斯关于地峡鱼类地域隔离的种群研究为中性或适应性突变的逐渐累积过程的开始提供了一些线索,这里的差异可能会给正在进行的异域性物种的形成提供证据。

4. Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities. (TPO19-P2)

因此生态系统包括通过生物媒介和活动而产生的循环、转换和能量及物质的积累。

5. When the ice is thick enough, usually over 30 meters, the weight of the snow and firn will cause the ice crystals toward the bottom to become plastic and to flow outward or downward from the area of snow accumulation.(TPO15-P3)

当这些冰块足够厚(一般是30米以上),积雪的重量就会使底部的冰晶变得具有可塑性,会从有积雪的地方流入或者流出。

6. Such villages, however, generally lay in regions of relatively advanced agricultural production, permitting not only the survival of peasants but also the accumulation of an agricultural surplus for investment. (TPO10-P3)

然而,这些乡镇大多地处农业相对发达的地区,不仅农民赖此生存,用于投资的富余农产品也得以积累。

7. Phosphorus-deficient plants are often stunted, with leaves turning a characteristic dark green, often with the accumulation of anthocyanin. (TPO5-P1)

磷缺乏的植物往往发育不良,叶片变成特殊的深绿色,经常伴随着花青素的积累。

8. Many are found in tropical and subtropical areas of the world, where accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.(TPO5-P1)

许多富集植物被发现于热带和亚热带,在那里有高浓度的金属沉淀,可以为植物提供保护,对抗植食昆虫和细菌病原体。

9. Some paleontologists have argued that these represent stream accumulations rather than final meals. (TPO48-P2)

一些古生物学家认为,这些食物是积累下来的食物而不是最后一餐。

10. Also there are several places in North America where you have natural accumulations of mammoth bones that look very similar to the accumulations at the Clovis site, except there's no human debris, where the mammoth almost certainly died as a result of some kind of natural disaster.(TPO24-L3)

而且在南美的一些地方还发现了许多自然集聚的猛犸象的骨头,看起来与克洛维斯遗址中的一样,只不过没有人类的遗迹,看起来猛犸象像是死于某种自然灾害。

11. But as more and more accumulations of strata were cataloged in more and more places, it became clear that the sequences of rocks sometimes differed from region to region and that no rock type was ever going to become a reliable time marker throughout the world. (TPO6-P2)

但是,随着各地越来越多的岩层的积累和分类,岩层顺序也因地区的不同而不同,因此,全世界没有一种特定的岩层能被认作是划分地质年代的标志。

12. Over long periods of time (millions of years), accumulations of gas and oil can collect in the sandy layers. (TPO4-P3)

经过很长的一个周期(数百万年),积聚的天然气和石油会在沙层中聚集。

13. Oil pools are valuable underground accumulations of oil, and oil fields are regions underlain by one or more oil pools. (TPO4-P3)

油床是宝贵的地下石油积聚处,而油田是被一个或多个油藏覆盖区域。

n. 累积物;积聚物;堆积物

【语块】

snow accumulation

【TPO例句】

1. In flat plains country, he saw moraines (accumulations of earth and loose rock that form at the edges of glaciers) that reminded him of the terminal moraines found at the end of valley glaciers in the Alps. (TPO19-P3)

在平原国家,他看见了冰碛石(冰川边缘泥土和松散岩石的聚集体),这些东西让他想起了在阿尔卑斯山谷冰川里发现的终碛石。

n. 资本增益【金融】

n. 贴息;贴现【金融】

n. 高低两等学位的同时取得【教育】