Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.黑云母一般是镁铁质及超镁铁质岩石中的次要成分.Weiya complex, eastern Tianshan: Single - sourced or diverse - sourced ? -- Evidence from biotite.东天山尾亚杂岩体: 同源还是异源? ...
The bank yesterday revealed a 30 per cent nosedive in profits.该银行昨天透露其利润骤降30％。Our survey revealed that these allergies were mainly one-offs.我们的调查显示这些过敏多为一次性反应。The fog had lifted and revealed a warm, sunny day.雾已经散了，看来是温暖...