tourmaline
英 ['tʊməlɪn]
美 ['tʊrməlɪn]
- n. [矿物] 电气石
英语词源
- tourmaline (n.)
- complete silicate of aluminum and boron, 1759, from French or German, ultimately from Sinhalese toramalli, a general name for cornelian.
权威例句
- 1. This property, which is known as dichroism, is particularly strong in tourmaline.
- 此种特性称为二向色性, 尤其是在电气石中表现得特别强烈.
- 2. High - performance tourmaline plate, releasing a large of negative ions . c.
- 高性能电气石发热板, 释放大量负离子.
- 3. Discusses the of natural tourmaline material & technology used in air filtration field.
- 讨论天然电气石负离子材料 与 技术在空气过滤领域的应用前景.
- 4. The device can measure the pyroelectric coefficient of the tourmaline with very small pyroelectric current.
- 它能对热释电电流很小的电气石进行热释电系数测量.
- 5. Tourmaline Yixing Cup is now underway for the National Investment fiery welcome to negotiate!
- 托玛琳紫砂杯现面向全国招商火热进行中,欢迎洽谈!