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n. Syn. obstruction; impediment; hindrance
(chướng ngại vật) one that opposes, stands in the way of, or holds up progress


Spelling Word: obstacle
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v. Syn. outlive
(tồn tại lâu hơn) outlive; live longer than


Spelling Word: outlast
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n.
(phác thảo) line that appears to bound an object; shape of an object or figure; summary of a written work or speech


Spelling Word: outline
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n. Syn. overprice
(quá tải) overprice; a price that is too high


Spelling Word: overcharge
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v.
(giám sát) supervise; manage; watch over and direct; examine or inspect


Spelling Word: oversee
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n.
(cổ sinh vật học) one who studies the forms of life existing in prehistoric or geologic times


Spelling Word: paleontologist
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n. Syn. apoplexy
(liệt) loss of the ability to move a body part


Spelling Word: paralysis
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n. Syn. teaching
(sư phạm) teaching; art of education; science of teaching


Spelling Word: pedagogy
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n. Syn. payment; tribute
(hưu) something paid or given; payment to a person in consideration of past services


Spelling Word: pension
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n.
(tiên phong) originator; explorer


Spelling Word: pioneer