英语单词

词典成语诗词造句字典单词小说古文名言

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

畅通词汇

中文词源

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。

英文词源

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.

双语例句

1. As a result, dyad spores formed.: 结果形成二分体孢子.