名词
中文翻译：Unknown
同义词：
['risk taker', 'adventurer', 'rash individual']
例句：
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1. He's a risker; he always takes risks.
他是个冒险家，总是冒险。
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2. The risker was the first to try the new technology.
那个冒险者是第一个尝试新技术的人。
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3. The risker didn't want to go alone;he had a friend with him.
那个冒险者不想独自去，他还有一个朋友陪着。