英语词汇“radon”的读音、翻译、释义、用法及例句-旅客吧

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词汇	radon
释义	radon /`redɑn/ n. A heavy radioactive gaseous element (Rn; at. no. 86; at. wt. 222.0176) formed by the decay of radium. 【化】氡(元素符号 Rn；原子序 86；原子量 222.0176)。钝气之一。
随便看	set our own houses in order set our price set our prices set our seal to set ourselves up against set ourselves up as set ourselves up for set ourselves up for a let-down set ourselves up for a let down set ourselves up for a letdown set our shoulders to the wheel set our shoulder to the wheel set our sights high set our sights low set our sights on set our teeth set out set out for set out for some place set out (for some place) set out for something set out her stall set out his stall set out my stall set out on 灵丘古道灵泉灵泉寺灵缺口灵山灵山大佛灵山聚龙洞灵山人遗址灵山圣墓灵山寺罗化成罗升之罗华明罗华生罗卓英罗南英罗南辉罗占云罗卡罗卧云怎么才能玩转杭州西湖杭州宋城需要门票吗？如何去宋城的速度最快宋城的美食推荐攻略指南杭州西湖可以玩什么西湖十景有哪些？西湖十景是什么？西湖十景有哪些？西湖十景是什么？杭州音乐喷池在哪里石家庄有什么乡村踏青项目？好玩吗？石家庄自然水景有哪些？有什么好看的？正龙桂林米粉店(恒丰店) 拉面岛桂林米粉大王黄天源达美诺八千碗铁板烧牛家村阿灶面馆又一村香港双皮奶馒头

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