Group (A) - Spelling Practices

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(1) a. Syn. true; real(实际的,现行的) true; real; being, existing, or acting at the present moment; current
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(2) a. Syn. keen; sharp(精明,敏锐,聪明) quickly perceptive; keen; having a sharp point or tip; extremely sharp or severe
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(3) n. Syn. sickness; illness; affliction(疾病(尤指轻病,小病)) sickness; illness; affliction
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(4) v. (空气,空中) be broadcast on television or radio
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(5) n. Syn. authorization; permission(津贴,补助,认同,宽容,份额) approval; act of allowing, granting, or admitting
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(6) n. (交替,轮流) successive change from one thing or state to another and back again
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(7) n. (救护车,野外医院) field hospital organized as to follow an army in its movements; wagon for conveying the wounded to hospital
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(8) n. Syn. similarity; parallelism(类比,相似) similarity in some respects; comparison based on similarity
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(9) v. Syn. clap; acclaim(喝彩,欢呼) acclaim; express approval, especially by clapping the hands
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(10) n. (算数) theory of numerical calculations