4周搞定2000+托福核心词
excavation = ex(出) + cav(洞) + ate(做，使) + ion(表名词) = 出洞→挖掘
exceedingly = ex(出) + ceed(走) + ing(形容词) + ly(表副词) = 走出→超出地
变换出去→交换, 调换
exchange
常考释义
Many tropical rain forest plants (like those in other forests) have mycorrhizal (fungus-root) partners whose delicate hyphae spread through great volumes of soil, from which they release and absorb minerals and ferry them back to the host plant in exchange for needed organic compounds.
许多热带雨林植物（像其他森林中的那些植物一样）具有菌根（真菌根）伴侣，其精细菌丝通过大量土壤扩散，从中释放和吸收矿物质并将它们运送回宿主植物以换取所需的有机物化合物。
来源于：阅读OFFICIAL53 P2n. 交换，互换，交流，换掉
The exchange of prisoners took place this morning.
今天早上交换了俘虏。
In exchange for tuition, I could work in the office.
我可以在办公室帮忙,以换取学费。
来自《打工姐妹花 第3季第9集》
图片源自网络
Many tropical rain forest plants (like those in other forests) have mycorrhizal (fungus-root) partners whose delicate hyphae spread through great volumes of soil, from which they release and absorb minerals and ferry them back to the host plant in exchange for needed organic compounds.
许多热带雨林植物（像其他森林中的那些植物一样）具有菌根（真菌根）伴侣，其精细菌丝通过大量土壤扩散，从中释放和吸收矿物质并将它们运送回宿主植物以换取所需的有机物化合物。
来源于：阅读OFFICIAL53 P2Trade in shell, obsidian, and other commodities seems to have been on the rise, and anthropologists suspect that the exchange of perishables (such as skins, foodstuffs) and salt was also on the increase.
贝壳、黑曜石以及其他商品的贸易在不断增长，人类学家们猜测易腐食品的交换（例如兽皮和食物）以及盐的交换也在不断增长。
来源于：阅读OFFICIAL52 P2Long before cereal agriculture took hold far south of the Sahara, some hunter-gatherer groups in the savanna woodlands of eastern and southern Africa may have acquired cattle, and perhaps other domesticated animals, by gift exchange or through raids on herding neighbors.
在谷类农业占领最南部的撒哈拉沙漠之前，非洲东部和南部稀树草原地区的一些依靠狩猎和采集生活的人可能已经饲养了牛群和其他家养动物，他们将牲畜作为礼物交换，或者通过劫掠放牧的邻居，来获得这些牲畜。
来源于：阅读OFFICIAL52 P3I understand, but that seems like a small risk to take in exchange for giving students a chance to talk publicly, interactively about issues they care about.
我明白。但是对于可以让学生有机会向公众讲话，让他们在关心的话题上互动，这个风险是小小的。
来源于：听力OFFICIAL36 L4Well, the primary goal of the Global Enrichment Initiative is simply cultural exchange.
嗯,全球首创致富计划的主要目标是文化交流。
来源于：听力OFFICIAL45 L4Bartering was a basic trade mechanism for many thousands of years; often sporadic and usually based on notions of reciprocity, it involved the mutual exchange of commodities or objects between individuals or groups.
物物交换是数千年来的基本交易机制；它是偶发的，并且通常是基于互惠这一概念，它包括个体或群体之间相互交换商品或物品的行为。
来源于：阅读OFFICIAL41 P3Interest in long­-distance trade brought about some cultural homogeneity from trade and gift exchange, and perhaps even led to piracy.
远距离贸易带来的利益，使得文化在贸易和礼品交换变得同质化，甚至可能导致盗版。
来源于：阅读OFFICIAL41 P3v. 交换，交流，换掉
Juliet and David exchanged glances.
朱丽叶和戴维互相看了看对方。
I'd exchange her for mine in a trice.
我愿意马上换她来做我儿媳。
来自《唐顿庄园 第5季第1集》
图片源自网络
A common means of this process taking place is trade, travelling merchants or trading hubs, places where people from various areas all come together and ideas get exchanged.
这个过程发生的方式之一就是交易，商人奔走交易或者通过贸易中心，不同地区的人在贸易中心聚集到一起，他们的思想得以交流。
来源于：听力OFFICIAL51 L3During NREM (the phase of sleep in which there is no rapid eye movement) breathing becomes deeper and more regular, but there is also a decrease in the breathing rate, resulting in less air being exchanged overall.
在NREM（睡觉时没有快速眼部活动的阶段）这个阶段中，呼吸会变得更深更有规律，但是呼吸频率会降低，导致总体空气交换减少。
来源于：阅读OFFICIAL24 P2The amount of air exchanged is even lower in REM than NREM because, although breathing is more rapid in REM, it is also more irregular, with brief episodes of shallow breathing or absence of breathing.
REM的空气交换量要比NREM低，因为尽管REM中呼吸更加急促，但也更加没有规律，包括一些简短的浅呼吸或呼吸暂停。
来源于：阅读OFFICIAL24 P2n. （不同国家人或团体之间的）交流，互访
Nick went on the French exchange.
尼克到法国去作互访了。
Uh, anyway, what I, well, a while ago, I saw this blurb in the school paper about an exchange program that's part of the study abroad office.
啊，不论如何，一段时间以前，我在学校报纸上看到关于一个交换项目的宣传，这个项目是部分归出国留学办公室管的。
来源于：听力OFFICIAL38 L4But what I wanted to find out at the booth was: it’s...um...a domestic exchange program, not studying abroad, but studying for a year somewhere else here in the United States.
但是我想询问这个咨询站的事情是：这个是……嗯……一个国内交换项目，不是在国外学习，而是在美国某个地方学习一年。
来源于：听力OFFICIAL38 L4But when I talked to the supervisor in the study abroad office, it turns out we are part of a... a group of universities throughout the US that does a domestic exchange program.
但是当我去问出国留学办公室的主管时，我发现我们是美国一群有国内交换项目的学校之一。
来源于：听力OFFICIAL38 L4v. 兑换，交易，更换
If the car you have leased is clearly unsatisfactory, you can always exchange it for another.
如果你对租借的车明显不满意，可随时另换一辆。
Researchers demonstrated that preliterate people, to keep track of the goods they produced and exchanged, created a system of accounting using clay tokens as symbolic representations of their products.
研究者证实，没有读写能力的人为了记录他们生产和交换的货物用黏土符号创造了一个计数系统作为他们产品的象征性代表。
来源于：阅读OFFICIAL53 P1These goods were exchanged for finished products, mainly cloth and salt, from western cities.
这些货物主要是与西部城市的布料和盐等成品交换。
来源于：阅读OFFICIAL46 P2n. 交易所
The stocks of all the leading railroads were traded on the floor of the New York Stock Exchange during the 1850s.
50年代所有主要铁路的股票都在美国纽约证券交易所中进行。
n. 交谈，对话，争论
There was only time for a brief exchange.
只有简短的交谈时间。
n. 兑换，汇兑
Where can I find the best exchange rate?
在什么地方才能获得最好的兑换价？
以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
