Group (E F) - Spelling Practices

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(1) a. Syn. frugal; cheap; economical(经济的,经济学的,有利润的) pertaining to economy; frugal; cheap
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(2) a. (电子的,电子仪器的) of or pertaining to an electron or electrons.
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(3) n. Syn. company; firm; business(事业,企业) company; firm; organization created for business ventures 
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(4) v. Syn. picture; visualize(想象,预想) picture in the mind; imagine
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(5) a. (常绿的) plant having foliage that persists and remains green throughout the year
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(6) n. Syn. supplement; expansion(延长,扩充,扩展名) supplement; act of extending or the condition of being extended
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(7) n. Syn. magnitude; scope(范围,程度) extensive space or area; distance or area over which something extends; degree to which a thing extends
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(8) a. Syn. exterior; outer(外部的,表面的) exterior; outer; suitable for application to the outside
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(9) a. Syn. loyal; devoted(忠诚的) loyal; worthy of trust or belief; reliable
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(10) n. (饲养员,奶瓶,进料器) machine that automatically provides a supply of some material; one that supplies food: