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 Group (U V W Y Z) - Spelling Practices
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a. Syn. subterranean; buried
(地下的,地面下的) under the level of the ground; buried


Spelling Word: underground
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n.
(失业) not having a job; condition of being unemployed; state of being unused


Spelling Word: unemployment
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a. Syn. improbable
(不一定的,未必有的) improbable; has little chance of being the case or coming about


Spelling Word: unlikely
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a. Syn. unprincipled; immoral
(肆无忌惮的,无道德原则的) unprincipled; lacking honesty


Spelling Word: unscrupulous
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v. Syn. support; preserve; maintain
(维护,支持) support; preserve; hold aloft; raise


Spelling Word: uphold
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n.
(活门,阀) device or structure for controlling the flow of a fluid


Spelling Word: valve
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n. Syn. immensity
(巨大) unusual largeness in size or extent


Spelling Word: vastness
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a.
(有效的,实质的,虚的) existing or resulting in essence or effect though not in actual fact; existing in mind, especially as a product of imagination


Spelling Word: virtual
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n.
(病毒) disease communicator; something that poisons one's soul or mind; program for unwanted actions in computer


Spelling Word: virus
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n. Syn. strike
(罢工) strike; act of leaving or quitting a meeting, company, or organization, especially as a sign of protest


Spelling Word: walkout