| 释义 |
tetrads
英音 [ ˈtetrædz ]
美音 [ ˈtetrædz ]
释义
n. [微]四联球菌；四色相配色（tetrad 的复数）
例句
1·An extine with its specific pattern had already been formed, when microspores were released from tetrads .
当小孢子从四分体中释放出来，特殊类型的外壁已经形成。
2·The results showed that the type of microsporic tetrads of the simple flower is belong to tetrahedral type and the mature pollen is two-celled with bristles on the surface.
单瓣紫花木槿的小孢子母细胞经过减数分裂形成四面体状的四分体，成熟花粉是二细胞型花粉，圆球型，表面有刺毛。
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