词族 · dyad
词形变化
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。
英语词源
- 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.
权威例句
- 1. As a result, dyad spores formed.
- 结果形成二分体孢子.