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单词 divalency
释义

divalent /dī-vāˈlənt or divˈə-lənt/

noun

A chemical element or atom capable of uniting with two atoms of hydrogen or their equivalent

adjective

Having two combining equivalents

ORIGIN: Gr di- twice, and L valēre to be worth

divaˈlency noun

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更新时间:2024/11/14 0:25:01