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Vocabulary Study Online By Level (VSOBL) is a Fast, Reliable, and Handy tool to prepare English exam vocabulary. (Available for all VIP accounts: US$2/Month). It has built-in word lists: 6000 IELTS words, 6000 TOEFL words, 5000 GRE words, and 3000 SAT words. You can load them by level with one click.
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reckon; make a mathematical calculation | |
associate; cause a group to become part of or form a close relationship with another | |
mandatory; obligatory; required by rule | |
title; chapter heading; text under illustration |
amid; in the middle of; among | |
unpopulated; providing no shelter or sustenance; devoid of inhabitants | |
mineral pitch; black, tarry substance, burning with a bright flame | |
fasten; append; add on; secure to something |
expert at; very skilled; having or showing knowledge and skill and aptitude | |
destroy completely; reduce to nonexistence | |
a series of connected spirals or concentric rings formed by gathering or winding; spiral pipe or series of spiral pipes | |
darkened with smoke and grime; dirty or discolored |
reckon; make a mathematical calculation | |
frustrate as by confusing or perplexing; impede force or movement of | |
a group of parts that work together to perform a given function; appliance, or device for a particular purpose | |
amid; in the middle of; among |
demanding great effort or labor; difficult | |
helpful; tending to promote physical well-being | |
someone who regularly travels from home in a suburb to work in a city | |
standard of judging; any approved or established rule or test |
reach the highest or most decisive point; rise to the summit | |
serious mistake typically caused by ignorance or confusion | |
analyze; examine; identify the cause of something | |
standard of judging; any approved or established rule or test |