dyad
n. 二数；一对；二元一位
近义词：duo，distich，brace，twain，couple，yoke，duad，pair，couplet，span，duet，twosome，
英英释义
Noun
- two items of the same kind
例句
- As a result, dyad spores formed. 结果形成二分体孢子。
- Status Offline What the Hell's a Naiad Dyad? 到底什么是“水中仙女二元体”？
- The dyad formed in Meiosis I was wrapped by thick callose. 粗/双线期，细胞的电子密度增加，细胞壁积累胼胝质，切断大孢子母细胞与珠心细胞之间的胞间连丝，核糖体的数量增多，线粒体与质体的形态变得不易区分，呈现脱分化状态。
- At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared. 四分体时期还出现二分体、三分体、含微核的异常四分体及多分体。
- Participants in each dyad viewed an emotion-arousing film and then engaged in a conversation to discuss topics related to the target film. 每对参与者在观看一段激发负面情绪影片后对影片中的相关议题进行讨论。
- Take the quiz if you suspect that one of your friendships is actually a naiad dyad. 做个小测验看看自己的某段友谊是否是这种二元体。