“heavy element”例句

单词 heavy element
例句 DEFINITIVE EXAMPLES 权威例句〔heavy ion〕The nucleus of a heavy element. When such nuclei are caused to collide at high velocities, new elements are created.重离子:重元素的原子核,当此类原子核们引发高速碰撞,新元素便会产生美国传统

 

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