Stories of USA Today
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  Academic Words Level 4 - 4 - Spelling Practices
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ad. [容易地,欣然地,立刻地] easily; quickly; in a prompt, timely manner; promptly


Spelling Word: readily
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n. [水库,蓄水池] a tank used for collecting and storing a liquid; holding pond; lake used to keep water for community use


Spelling Word: reservoir
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a. [严峻的,严格的,严厉的] full of rigors; harsh; rigidly accurate; precise


Spelling Word: rigorous
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v. [隔离] isolate; separate; divide from the main body


Spelling Word: segregate
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a. [稀少的,稀疏的] occurring, growing, or settled at widely spaced intervals; not thick or dense


Spelling Word: sparse
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a. [静止的,单调的] not moving or flowing; lacking vitality or briskness; stale; dull


Spelling Word: stagnant
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n. [必要的食品或商品,主要成分,加固,别针] necessary foods or commodities; basic elements; secure or fasten; a short U-shaped wire nail for securing cables


Spelling Word: staple
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v. [监督] oversee with the power of direction; take care of with authority; supervise


Spelling Word: superintend
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v. [象征] represent; signify; stand for


Spelling Word: symbolize
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v. [同步,同时发生] happen at the same time; arrange or represent events so that they co-occur


Spelling Word: synchronize