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 4000 FCE (N O) - Spelling Practices
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n. notch [___] an elementary particle with 0 charges and mass about equal to a proton


Spelling Word: neutron
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ad. tuy nhiên not the less; notwithstanding; despite that; yet


Spelling Word: nevertheless
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a. ồn ào full of loud and nonmusical sounds; clamorous


Spelling Word: noisy
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n. hạt nhân the central or essential part around which other parts are gathered or grouped; core


Spelling Word: nucleus
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a. bắt buộc morally or legally constraining; required; binding


Spelling Word: obligatory
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v. lấy get hold of; gain possession of; acquire, in any way


Spelling Word: obtain
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a. thích nghi timely; just in time; suited or right for a particular purpose


Spelling Word: opportune
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a. lạc quan hopeful; positive; expecting the best in all possible ways


Spelling Word: optimistic
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a. tùy chọn not obligatory; left to choice; not compulsory or automatic


Spelling Word: optional
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n. dàn nhạc a large group of musicians who play many different instruments together


Spelling Word: orchestra