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词汇
astatine
释义
as·ta·tine
英ˈæstəˌtiːn, -tɪn美ˈæstəˌtin, -tɪnAHDăsʹtə-tēn', -tĭn
基本
英英
词源
近义反义
n.
化砹
简写符号At
Noun:
a highly unstable radioactive element the heaviest of the halogen series; a decay product of uranium and thorium
前缀a-, 不,非。词根st, 站立,稳定。指该化学元素不稳定。
近义词
at在
随便看
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tandem boost
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tandem brake master cylinder
tandem branch
tandem bridge
tandem brush
tandem-building method
tandem cables
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更新时间:2026/9/22 21:05:21