Group (U V W Y Z) - Spelling Practices

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(1) a. Syn. plain; unembellished(未装饰的,朴实的) without adornment; simple or plain; not admirable
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(2) a. Syn. subterranean; buried(地下的,地面下的) under the level of the ground; buried
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(3) n. Syn. disturbance; outburst(剧变) violent disturbance; sudden, violent disruption or upset
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(4) a. Syn. sound; true(正当的,有效的) logically convincing; sound; legally acceptable; well grounded
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(5) n. Syn. evaporation(蒸发) process of becoming vapor; conversion of a solid or a liquid into a gas
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(6) v. Syn. adventure(冒险(事业),投机活动) put at risk; adventure
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(7) ad. (相反,反之) used to state what you have just said is also true in the opposite order
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(8) n. (火山) fissure in the earth's crust through which molten lava and gases erupt
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(9) n. (自愿者) person who performs or offers to perform a service voluntarily
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(10) a. Syn. queer; strange(怪诞的,奇异的) queer; of a strikingly odd or unusual character; strange