____: ad. without question and beyond doubt 明确地;确定无疑地
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____: n. a picture of a person or thing 影像;图像
____: v. get in touch with 联系;联络
____: v. present (sth.) for consideration or judgment 提交;呈递
____: n. an occasion on which a winner is selected from among two or more contestants 比赛;竞赛
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