• n. 雙；[生物] 二分體；一對(duì)；[化學(xué)] 二價(jià)元素
• adj. 二的；雙的

來(lái)自拉丁語(yǔ)dyad, 二，詞源two. 用于化學(xué)名詞二價(jià)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.

結(jié)果形成二分體孢子.

來(lái)自辭典例句