4周搞定2000+托福核心词
壁龛
niche
常考释义
n. 合适的位置
I think there might be a niche in television for a person like me.
我觉得像我这样的人或许能在电视行业找到适合自己的一席之地。
Neither of us has found our niche yet. My dream is to be a musician.
我们两个人还都没有找到自己的定位。我的梦想是成为一名音乐家。
This fact was of enormous value in helping the national economies find their niches in the evolving currents of the international economy.
如此高的比例对于帮助国内经济在世界经济的改革浪潮中找到自己的位置有着巨大价值。
来源于：阅读OFFICIAL18 P1n. 壁龛；（山体）凹进的地方
Above him, in a niche on the wall, was a little statue.
在他上方的壁龛里摆放着一座小雕像。
Very often such statues were enclosed in rectangular shrines or wall niches whose only opening was at the front, making it natural for the statue to display frontality.
这些雕塑通常被放置在只有正面开口的矩形神龛或者壁龛中，这样也使得这些作品必须通过正面展现。
来源于：阅读OFFICIAL11 P1n. 生态位（生物在生物群落中的作用和地位）【生态】
And what adaptive radiation is: an evolutionary process by which a parent species rapidly undergoes changes resulting in various new species in order to fill multiple ecological niches.
适应性扩张是：为了适应不同的生态位，由一种本家物种经历变化而产生各种各样的新物种的进化过程。[5:10]那么在Notothenioids这个案例中，这个单一物种开始在空旷的栖息地大量的繁殖，到达可以进化出很大范围不懂种类的程度，也就是我们今天拥有的90中左右的Notothenioids种类。
So they fill the niche of home companion in each region they entered and effectively shut out the local subspecies that were already there.
所以它们逐渐占据了每一个地区人类家庭里的生态位，并且赶走了其他早就生活在那里的其他亚种。
来源于：听力OFFICIAL37 L3The Arctic is its niche, the habitat it's adapted to survive in.
The Arctic is its niche, the habitat it's adapted to survive in.
来源于：听力OFFICIAL36 L6But for biologists, the concept of a niche also includes the way an organism functions in its habitat, how it interacts with other plant and animal species, with the soil, the air, the water and so on.
但是对于生物学家来说，生态位的概念也包括了有机物在生物的栖息地里运作的方式，它是怎么和其他动植物相互影响的，怎么和土壤、空气、水源以及其他的物质相互影响的。
来源于：听力OFFICIAL36 L6If you have two similar species competing in the same niche, what's going to happen? Susan?
If you have two similar species competing in the same niche, what's going to happen? Susan?
来源于：听力OFFICIAL36 L6They adapted to survive in their particular ecological niche, their…their position within a particular ecosystem.
They adapted to survive in their particular ecological niche, their…their position within a particular ecosystem.
来源于：听力OFFICIAL33 L5On the basis of these experiments and of field observations, the so-called law of competitive exclusion was formulated, according to which no two species can occupy the same niche.
基于以上实验和实地观察，所谓的竞争灭绝法则是成立的，因为两个物种不可能同时完全占有同一有限资源。
来源于：阅读OFFICIAL29 P2The species of moa that are currently recognized occupied ecological niches customarily filled elsewhere by large mammalian browsing herbivores.
恐鸟在新西兰生态圈的位置等同于其他地方的大型哺乳类食草动物。
来源于：阅读OFFICIAL39 P2And what adaptive radiation is: an evolutionary process by which a parent species rapidly undergoes changes resulting in various new species in order to fill multiple ecological niches.
适应性扩张是：为了适应不同的生态位，由一种本家物种经历变化而产生各种各样的新物种的进化过程。
来源于：听力OFFICIAL33 L5In popular language this was the era “when dinosaurs ruled Earth,” when a wide variety of reptile species occupying many ecological niches.
通俗来说这是一个“恐龙统治地球”的时代，各类爬行动物占据了不同的生态环境。
来源于：阅读OFFICIAL33 P3The physical structure of species competing for resources in the same ecological niche tends to gradually evolve in ways that allow them to occupy different niches.
争夺同一生态资源的物种趋向于朝着依赖不同资源的方向进化。
来源于：阅读OFFICIAL29 P2Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species.
很多动物学家认为这是很多几乎没有任何竞争性物种的环境使然。
来源于：阅读OFFICIAL5 P3n. 舒适或称心的工作（或生活等）
He eventually found his niche in sports journalism.
最后他在体育新闻界找到了理想的工作。
n. （迎合某一特定群体或某种特定利益的）缝隙市场，市场空缺【商】
Doubtless there will be niches in which new services establish themselves.
毫无疑问，新型服务行业将会有可立足的缝隙市场。
We saw a niche in the market for a New York-style lounge bar.
我们发现市场上很缺纽约式的雅座酒吧。
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