element, obtained 1906 from an earth discovered in 1886, the last to be extracted from the complex earth called yttria, and named dysprosia in reference to the difficulty of obtaining it, from Greek dysprositos "hard to get at, difficult of access," from dys- "bad" (see dys-) + prositos "approachable." With metallic element suffix -ium.
雙語例句
1. Dysprosium lamp: Light source for repro - photography and printing down.
鏑燈: 復(fù)制照相及曬版用光源之一.
來自互聯(lián)網(wǎng)
2. Three 3500 W dysprosium lamps are installed on each tower crane for site lighting during night.