| 释义 |
atomic number 31
基本英英
英Noun:a rare silveryusually trivalentmetallic element；brittle at low temperatures but liquid above room temperature；occurs in trace amounts in bauxite and zinc ores
Noun:
a rare silvery usually trivalent metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores |