Group (C) - Spelling Practices

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(1) n. Syn. tube(Kênh) artificial channel filled with water; tube or duct
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(2) n. (điều tra dân số) official examination of the details of a country's population
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(3) n. (kẹp) any of various devices used to join, grip, support, or compress mechanical or structural parts
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(5) v. (bàn) go about or entirely round; make the circuit of; enclose on all sides; surround
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(6) n. Syn. combination; complex(da) state of being complex; complexity; combination; complex
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(7) a. Syn. mandatory; obligatory(bắt buộc) mandatory; obligatory; required by rule
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(8) v. Syn. hide; secrete(giấu) keep from being seen, found, observed, or discovered; secrete
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(9) a. Syn. thoughtful(tâm) thoughtful; marked by consideration or reflection; deliberate
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(10) v. (hợp nhất) make solid; unite or press together into a compact mass; harden or make dense and firm