俄语 ⇄ 英语

век млекопитающих 强调
地质学	the Cenozoic (MichaelBurov); the Caenozoic (MichaelBurov); the Cainozoic (MichaelBurov); Cenozoic (MichaelBurov); Caenozoic (MichaelBurov); Cenozoic Era (MichaelBurov); Caenozoic Era (MichaelBurov); Cainozoic Era (MichaelBurov); Cainozoic (MichaelBurov)
马卡罗夫	Age of Mammals