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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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naturalness; freedom from constraint; happening or arising without external cause; self-generated | |
have offspring or young; duplicate; make a copy | |
exercising power or authority; currently ruling or holding a position | |
easygoing; made less tense or rigid; relieved |
easygoing; made less tense or rigid; relieved | |
the lamp that produces an intense beam of light to illuminate a restricted area; the focus of public attention | |
gather something together over time; scratch repeatedly | |
establish by evidence; make firm or solid; support |
extreme dislike or aversion; opposition; conflict; resistance, in a physical sense | |
the lamp that produces an intense beam of light to illuminate a restricted area; the focus of public attention | |
line of junction formed by sewing together two pieces; line across a surface, as a crack; scar | |
in waves; fluctuate; having curls |
establish by evidence; make firm or solid; support | |
exercising power or authority; currently ruling or holding a position | |
irregularly; in an unequal or partial manner | |
laziness; apathy and inactivity in the practice of virtue; any of several slow-moving arboreal mammals |
lay eggs; produce offspring in large numbers | |
extreme dislike or aversion; opposition; conflict; resistance, in a physical sense | |
a layer of earth's surface; a layer of society | |
high; outstanding; very great or intense |
isolate; separate; divide from the main body | |
a layer of earth's surface; a layer of society | |
hard; difficult; feeling physical discomfort or pain; hard to bear | |
discolored; dirty; having a stain |
have doubts about; distrust | |
high; outstanding; very great or intense | |
hunger; deprive of food | |
lay eggs; produce offspring in large numbers |
enclose; arrange or fold as a cover or protection | |
keep or confine within limits | |
integrate; compose; combine to form a new, complex product | |
gather something together over time; scratch repeatedly |
elastic; difficult to chew; having a texture resembling rubber | |
the layer of soil on the surface | |
oversee with the power of direction; take care of with authority; supervise | |
frighten; fill with terror |
exercising power or authority; currently ruling or holding a position | |
the layer of soil on the surface | |
factor; something that is likely to vary; changeable; inconstant | |
irregularly; in an unequal or partial manner |