RI
[化] 放射性同位素
词形变化
RIs
复数
RIs
释义与例句
n.
-
1.
Initialism of radioisotope.
可数 不可数 -
2.
Initialism of radio interference.
可数 不可数 -
3.
rex imperator (“king-emperor”) or regina imperatrix (“queen-empress”); the initials by which a British monarch signed documents after his or her name from 1877 until 1947.
政治
name
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1.
Initialism of Rhode Island: a state of the United States.
-
2.
Abbreviation of Riau: a province of Indonesia.
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3.
Initialism of Raffles Institution.
新加坡