4000 Duolingo (N O) - Spelling Practices

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(1) a. hải quân relating to, or adjacent to the sea; relating to marine shipping or navigation

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(2) v. bỏ bê disregard; ignore; pay little or no attention to

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(3) a. thần kinh of or about the nerves; seated in the nerves; nervous

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(4) n. quý tộc quality or state of being noble; the superiority of mind or character; commanding excellence; eminence

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(5) n. Tiêu chuẩn convention; standard; rule

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(6) n. hạt nhân the central or essential part around which other parts are gathered or grouped; core

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(7) v. ám ảnh preoccupy the mind of excessively; besiege; compass about; dominate the thoughts of someone

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(8) n. bạch tuộc any of several marine mollusks

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(9) a. tùy chọn not obligatory; left to choice; not compulsory or automatic

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(10) n. quặng a mineral that contains metal that is valuable enough to be mined