Her moods oscillated between depression and elation.她的情绪时而抑郁，时而亢奋。She showed her elation at having finally achieved her ambition.最终实现了抱负,她显得十分高兴.They were filled with elation and amazement for the results.他们对这个结果是惊喜交集....
黑云母一般是镁铁质及超镁铁质岩石中的次要成分.Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.东天山尾亚杂岩体: 同源还是异源? -- 来自黑云母的证据.Weiya complex, eastern Tianshan: Single - sourced or diverse - sourced ? -- Evidence f...