dyad

英 ['daɪæd] 美 ['daɪæd]
  • n. 双;[生物] 二分体;一对;[化学] 二价元素
  • adj. 二的;双的
星级词汇:
dyad
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dyad 二价元素,二分体

来自拉丁语dyad, 二,词源two. 用于化学名词二价元素等。

dyad (n.)
1670s, from Latin dyad-, stem of dyas, from Greek dyas "the number two, a group of two," from duo "two" (see two). Specific sense in chemistry ("a bivalent element") is by 1865; also used in biology, poetics, mathematics. Related: Dyadic.
1. As a result, dyad spores formed.
结果形成二分体孢子.

来自辞典例句