Group (E F) - Spelling Practices

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(1) n. (强调,重点) special attention or effort directed toward something; stress
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(2) n. (围绕,围墙) place where animals are kept
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(3) n. (百科全书) a reference work containing articles on various topics 
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(4) n. (表皮,皮肤) outer, protective layer of skin of vertebrates
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(5) v. Syn. vaporize; disappear; vapor((使)蒸发,消失) vaporize; disappear; change into a vapor
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(6) a. Syn. rigorous; burdensome(苛刻的) making severe demands; rigorous; requiring great care, effort, or attention
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(7) a. Syn. exterior; outer(外部的,表面的) exterior; outer; suitable for application to the outside
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(9) n. Syn. equipment; device(设施,设备) service, space, and equipment provided for a particular purpose
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(10) a. Syn. loyal; devoted(忠诚的) loyal; worthy of trust or belief; reliable