Difficult IELTS Words - Group 4

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n. an ecological community together with its environment, a system formed by interactions of components with their environments

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a. springing back; having the power of rebounding; able to return quickly to a former state or condition

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a. symbolic; relating to, or serving as an emblem

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a. active; brisk; vigorous

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v. carve or cut into a block or surface, as used for printing; impress deeply as if by carving

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v. seek information by asking a question

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v. make equal or equivalent; consider, treat, or depict as equal or equivalent

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n. the imaginary great circle on the earth's surface, everywhere equally distant from the two poles, and dividing the earth's surface into two hemispheres

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v. construct; stand; set up

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a. ultimate; occurring at an unspecified time in the future