Group (R) - Spelling Practices

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(1) v. Syn. effuse(放射,辐射) spread out; effuse; issue or emerge in rays or waves
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(2) n. (半径,半径范围) right line drawn or extending from the center of a circle to the periphery
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(3) n. (筏,救生艇) a flat float made of logs or planks; a large number or amount or extent 
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(4) v. Syn. wander(游荡,漫无目的游荡) wander aimlessly; move about aimlessly; walk about casually or for pleasure
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(5) v. Syn. gain; harvest; glean(收割,收获) gain; harvest a crop from; get or derive; obtain as a result of effort
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(6) v. (使安心,打消疑虑) give or restore confidence in; cause to feel sure or certain
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(7) n. (长方形) a parallelogram with four right angles
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(8) v. Syn. reprocess(使再循环,再利用) reprocess; use again after processing
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(9) a. Syn. superfluous; repetitious(冗余的,多余的) exceeding what is necessary or natural; repetitious; excessively wordy
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(10) v. Syn. resist; forbear(抵制,抵抗,远离,节制) abstain from; resist; hold oneself back