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单词
actinon
释义
ac·ti·non
(
ă
k
t
ə
-n
ŏ
n
′
)
n.
A radioactive isotope of radon, Rn-219, having a half-life of 3.96 seconds and produced by the disintegration of actinium.
[
ACTIN(IUM)
+
-ON
2
.]
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更新时间:2025/9/17 19:17:39