柯林斯英汉双解大词典
tourmaline /ˈtʊəməˌliːn/
1.N any of a group of hard glassy minerals of variable colour consisting of complex borosilicates of aluminium with quantities of lithium, sodium, calcium, potassium, iron, and magnesium in hexagonal crystalline form: used in optical and electrical equipment and in jewellery 电气石[1]
watermelon tourmaline 西瓜碧玺 ; 西瓜电气石
green tourmaline 绿碧玺 ; 绿色碧玺 ; 碧玺电气石
Siberian tourmaline 西伯利亚碧
Transvaal tourmaline 德兰士瓦碧玺
tourmaline pincette 电气石铗 ; 电气石钳
Tourmaline Vineyard 阶地
tourmaline oscillator 电气石振荡器
tourmaline tongs 电气石钳[1]