alkali-metal
中文翻译
[电] 碱土金属
常见例句
1
n a radioactive element of the alkali-metal group discovered as a disintegration product of actinium
2
a radioactive element of the alkali-metal group discovered as a disintegration product of actinium
3
incorporates 12 Federal Reserve branch banks and all national banks and state-chartered commercial banks and some trust companies n a radioactive element of the alkali-metal group discovered as a disintegration product of actinium