| 词汇 | non-radioactive |
| 释义 | Definition of non-radioactive in English:non-radioactiveadjective
OriginEarly 20th century; earliest use found in Ernest Rutherford (1871–1937), physicist. Definition of non-radioactive in US English:non-radioactiveadjective
OriginEarly 20th century; earliest use found in Ernest Rutherford (1871–1937), physicist. |
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