heteroicous

例句：

1. 1. The scientists were surprised to find that the eggs of the species were heteroicous.
   科学家惊讶地发现，这种物种的卵是不育的。
2. 2.The plant is heteroicous and cannot reproduce on its own.
   这种植物是异花传粉的，无法自行繁殖。
3. 3.Heteroicous flowers are rare and attract pollinators like bees and butterflies.
   异花传粉的花非常罕见，吸引了蜜蜂和蝴蝶等传粉者。