词族 · tungsten
词形变化
中文词源
tungsten 钨
由该金属元素发现者 18 世纪瑞典化学家 Karl Wilhelm Scheele 根据瑞典语创造出来的词，来 自 tung,重的，sten,石头，词源同 stone.
英语词源
- tungsten (n.)
- rare metallic element, 1796, from Swedish tungsten "calcium tungstate," coined 1780 by its discoverer, Swedish chemist Karl Wilhelm Scheele (1742-1786) from tung "heavy" + sten "stone" (see stone (n.)). The word was used earlier as the name for calcium tungstate (1770). Atomic symbol W is from Latin wolframium, from German Wolfram "iron tungstate" (see wolfram).
权威例句
- 1. Tungsten is classified among the metals.
- 钨归入金属类.
- 2. A glass or quartz tube has tungsten electrodes sealed in each end.
- 两根钨丝电极是封在玻璃管或石英管的两端.
- 3. The tungsten shines and gives a good light.
- 钨丝发亮而射出耀眼的光芒.
- 4. We make an electron gun which consists of a tungsten wire heated by an electric current.
- 我们制造了一把电子枪,它包括一根用电流加热的钨丝.
- 5. High frequency directs the arc, cannot produce the phenomenon of clamping tungsten.
- 高频引弧, 不会产生夹钨现象.