| 释义 |
atomic number 40
基本英英
英Noun:a lustrous grey strong metallic element resembling titanium；it is used in nuclear reactors as a neutron absorber；it occurs in baddeleyite but is obtained chiefly from zircon
Noun:
a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon |