dyad

英 ['da??d] 美['da??d]

暢通詞匯

形容詞:?dyadic;

dyad 二價(jià)元素，二分體

來自拉丁語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.

中文字幕精品视频在线|中文字幕在线观看|亚洲v日本v欧美v在线播放|伊人网中文字幕