actinoid

英[\'æktɪnɔɪd]
美[\'æktənɔɪd]

基本释义

adj.
放射线状的

实用例句

Starfish are actinoid -- that is, they are radially symmetrical.

海星呈放射性形状 —— 那就是说, 它们是呈对称的放射状.

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英英释义

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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