4000 Duolingo (C) - Spelling Practices

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(1) n. 加農炮,大砲 great gun; firearm for discharging heavy shot with great force; loop at the top of a bell by which it is hung

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(2) n. 小心,謹慎 care; being attentive to possible danger

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(3) n. 水泥,膠泥,結合劑 any substances used for making bodies adhere to each other; bond of union; concrete pavement

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(4) a. 正式的,儀式的 formal or ritual; ceremonious

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(5) v. 擁護 protect or fight for the first place

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(6) v. (使)循環,(使)傳播 move through space, circuit, or system, returning to the starting point

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(7) v. 分類,按等級或類別組織安排 declare unavailable, as for security reasons; arrange or order by classes or categories

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(9) n. 同伴,同事 associate; partner; either of two matching objects

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(10) a. 全面的 thorough; including all or everything; broad in scope