4000 CELPIP (E F) - Spelling Practices

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(1) n. 효율성 effectiveness; quality or property of being efficient; the ratio of useful output to the total input in any system

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(2) v. 삽입 enclose; place in something; fix firmly in surrounding mass

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(3) v. 등장 come into prominence; spring up; appear

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(4) n. 배기 gases ejected from an engine as waste products; use up the whole supply of

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(5) v. 확장 become larger in size or volume; grow stronger; add details

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(6) n. 확장 growth; extent or amount by which something has expanded

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(7) v. 찾아보기 investigate systematically; examine; search

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(8) v. 확대 open or straighten something out; unbend; prolong

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(9) a. 멸종 no longer existing or living; vanished; dead

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(10) v. 칭찬하다 praise highly; glorify; celebrate