4周搞定2000+托福核心词
ecological = eco(生态) + ology(学科) + ical(…的) = 有关生态的学科→生态学的
ecology = eco(生态) + logy(学说) = 有关生态的学科→生态学
autonomously = auto(自己) + nomy(某一领域的知识) + ous(形容词) = 自己专攻某一领域知识地→自律地
nomy = nomy(某一领域的知识) = 分类法,分类学
acoustical = acousti(听到) + ical(…的) = 听觉的
alphabetical = alphabet(字母) + ical(…的) = 按字母（表）顺序的
abnormally = ab(表否定) + norm(正常) + al(表状态) + ly(表副词) = 异常地
abruptly = ab(离开) + rupt(断裂) + ly(表副词) = 断开→突然断开→突然地
经济领域的学科→经济地
economically
常考释义
So we need a trusty five-cent piece that can be minted economically.
所以我们需要一个可靠的五分钱可以被经济地铸造。
来源于：听力OFFICIAL46 L4adv. 在经济方面【经】
An efficient public transport system makes sense both environmentally and economically.
高效的公共交通系统无论是在环境保护方面还是在经济方面都是有意义的。
an economically depressed area
经济萧条地区
Others, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on high-value crops such as cotton.
而另外一些人却抱着趁水资源还能产生经济效益就应抓紧利用的想法，继续种植高价值的棉花等农作物。
来源于：阅读OFFICIAL3 P2Buildings contribute to human life when they provide shelter, enrich space, complement their site, suit the climate, and are economically feasible.
建筑物为人类的生活提供了遮蔽处和丰富的空间、增加人们的活动场所、完善人们的居所、帮助人们适应气候的变化，同时在经济上也可承受。
来源于：阅读OFFICIAL3 P1adv. 节约地；经济地
Services could be operated more efficiently and economically.
服务机构的运行还可以更经济高效一些。
All parts were standardized so houses could be built economically.
所有的部分都是标准化的，这样建造一所房子会变得更加经济省钱。
来源于：听力OFFICIAL36 L5So we need a trusty five-cent piece that can be minted economically.
所以我们需要一个可靠的五分钱可以被经济地铸造。
来源于：听力OFFICIAL46 L6adv. 省时地；省力地；简练地
Burn's novel, vividly and economically written, is a sombre reflection on fame and its cost.
伯恩的小说描写生动，语言简练，对成名以及为此付出的代价进行了深刻剖析。
adv. 节俭地；节省地
We live very economically.
我们过得很节俭。
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