| 释义 |
atomic number 60
基本英英
英Noun:a yellow trivalent metallic element of the rare earth group；occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
Noun:
a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium |