大孢子

例句：

1. 1. The study of zoology involves the examination of macrospores and microspores.
   动物学研究涉及对大孢子和微孢子的考察。
2. 2. In the process of fertilization, pollen grains are released from the anthers and then fuse with themicrospores on the stigma.
   在受精过程中，花粉粒从花药中释放出来，然后与柱头上的微孢子融合。
3. 3.The discovery of this new species has led to a better understanding of the life cycle of these large spore-producing organisms.
   这一新物种的发现有助于更好地理解这些大型孢子产生生物的生活周期。