an inactive volcano in Sicily; last erupted in 1961; the highest volcano in Europe (10,500 feet)
同义词：Mount Etna, Mt Etna
a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air
同义词：bunsen burner, bunsen
etna详细解释
Etna 也作 Aet.na NONE（无词性）An active volcano, 3,325. m (0,902 ft) high, of eastern Sicily. Its first known eruption occurred in 475b.c. 埃特纳火山：一座位于西西里岛东部海拔3,325.米（0,902英尺）的活火山。根据现知的材料它首次喷发于公元前 475年
