actinoid

 
['?kt?n??d]     ['?kt?n??d]    
  • adj. 放射線狀的
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actinoid的英文翻譯是什么意思,詞典釋義與在線翻譯:

英英釋義

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

Adjective:
  1. having a radial form;

    "starfish are actinoid--that is, they are radially symmetrical"

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