Professor randall, an illustrious volcanologist, pursued his discipline with a passion that went well beyond ordinary scientific enquiry.
兰德尔教授是著名的火山学家,他从事这门学科的热情远远超过普通的科学调查。
That volcanologist was busying with memoir after his retirement.
自从退休以后,那位火山学家一直忙于撰写回忆录.