actinoid

英[\'?kt?n??d]
美[\'?kt?n??d]

基本釋義

adj.
放射線狀的

實(shí)用例句

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

海星呈放射性形狀 —— 那就是說, 它們是呈對(duì)稱的放射狀.

互聯(lián)網(wǎng)

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"

最新英語單詞

行業(yè)英語