4周搞定2000+托福核心词
excusable = ex(向外) + cus(原因) + able(能…的) = 能向外是有原因的→可以原谅的
expediency = ex(向外) + pedi(脚) + ence(性质) + y(表名词) = 脚向外踏→权宜
abrasion = ab(表加强) + ras(刮擦) + ion(表名词) = 磨损
abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象
向外扩展→扩大
expansion
常考释义
Food production has kept pace with soaring populations mainly because of the expansion of artificial irrigation systems that make possible the growth of 40 % of the world's food.
食品供应能跟上人口剧增主要是由于人工灌溉系统的扩张使得世界粮食产量提高了40%。
来源于：剑雅7-Test1n. 膨胀，扩张，扩展
Despite the recession the company is confident of further expansion.
尽管经济衰退，公司对进一步扩展仍充满信心。
They took a staunch stand about slavery expansion.
他们在奴隶制扩张的问题上态度强硬。
来自《美国内战与重建1845-1877第8集》
图片源自网络
n. 发展
It became the wonder product of the new world of industrial expansion – ‘the material of a thousand uses’.
它成为工业发展新时代的神奇产品—“百变材料”。
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