| 单词 | cu |
| 释义 | > as lemmasCu Cu n. copper. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > copper > [noun] copperc1000 Cu1813 1813 tr. J. J. Berzelius in Ann. Philos. 2 359 In the class of combustibles which I call metalloids, I use only the initial letters. For example..C = carbon, Cu = copper (cuprum), [etc.]. 1987 K. A. Rubinson Chem. Anal. xii. 389 In aqueous solution, the heavy metals such as Cu++, Ni++, and Cd++ plate out whereas the alkali metals do not. < as lemmas |
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