dy.ad
n.（名词）Two individuals or units regarded as a pair:一对：两个个体或单位被视为一对：例句：the mother-daughter dyad.母女配对
Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.【生物学】 二分体：一对由四分体在成熟分裂过程中形成的同源染色体Chemistry A divalent atom or radical.【化学】 二价原子：二价的原子或基Mathematics An operator represented as a pair of vectors juxtaposed without multiplication.【数学】 并矢：一种代表一对矢量的运算子，矢量并置但不增值adj.（形容词）Made up of two units.二分组合：由两个单元组成
来源：From Greek duas duad- 源自 希腊语 duas duad- from duo [two] * see dwo- 源自 duo [二] *参见 dwo-
