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arduous |
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a. 努力,奋发 demanding great effort or labor; difficult Her arduous efforts had sapped her energy. |
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arid |
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a. 荒芜的 dry; lacking moisture, especially having insufficient rainfall to support trees or plants The cactus has adapted to survive in an arid environment. |
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aristocracy |
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n. 贵族 hereditary nobility; privileged class Americans have mixed feelings about the hereditary aristocracy. |
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arithmetic |
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n. 算数 theory of numerical calculations He found a way to set up equations about integers and other constructs in arithmetic. |
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armada |
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n. 舰队 a fleet of warships; a large group of moving things Queen Elizabeth's navy defeated the mighty armada that threatened the English coast. |
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armory |
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n. 纹章,兵工厂,军械库 arsenal; a place where arms are manufactured The adjutant general may designate an officer to be in direct charge of each armory, arsenal, camp, base, or other facilities. |
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aromatic |
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a. 芬芳的 fragrant or sweet-smelling; caused by fragrant odor Medieval sailing vessels brought aromatic herbs from China to Europe. |
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arousal |
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n. 觉醒,激励 act of awaking from sleep; arousing from what is like sleep When arousal is too low, we become bored and seek out activities to stimulate our minds. |
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arraign |
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v. 传讯,责问 officially charge someone in a court of law After his indictment by the Grand Jury, the County Criminal Court should arraign the accused man. |
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arrears |
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n. 欠债 being in debt; unpaid, overdue debt or an unfulfilled obligation He was in arrears with his payments on the car. |
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arrogate |
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v. 非法霸占,僭越 claim without justification; claim for oneself without the right Lynn watch in astonishments as her coworkers arrogate the credit for her brilliant work in the project. |
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arroyo |
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n. 干枯的河床 deep gully; a dry gulch; brook or creek; watercourse Until the heavy rains of the past spring, this arroyo had been a dry bed. |
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artifice |
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n. 技巧,欺骗 subtle but base deception; trickery; cleverness or skill; ingenuity The Trojan War proved to the Greeks that cunning and artifice were often more effective than the military might. |
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artisan |
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n. 工匠 manually skilled worker; craftsman, as opposed to an artist A noted artisan, Arturo, was known for the fine craftsmanship. |
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artless |
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a. 坦诚,直率 free of artificiality; natural; open and honest Sophisticated and cynical, Jack could not believe Jill was as artless and naive as she appeared to be. |
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ascend |
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v. (渐渐)上升,升高,攀登 move up or climb something; mount Boys ascend through the skylight onto the roof. |