actinide

actinide读音音标

英[\\\'æktɪnaɪd]

美[\\\'æktɪˌnaɪd]

基本意思释义

n.锕类

短语及实用例句

Note 3 : Actinide abundance ratios may be applied to measurements of stellar ages.

注 3: 锕充足比率可用于测量恒星的年龄.

英英释义

Noun

1. any of a series of radioactive elements with atomic numbers 89 through 103