Ovonic

例句：

1. 1. The couple decided to have a child but were unable to conceive.
   这对夫妇决定要孩子，但无法怀孕。
2. 2.The scientist discovered that the eggs of the species were infertile.
   科学家发现这种物种的卵子是不育的。
3. 3. The ovaries are responsible for producing eggs and are considered infertile if they do not produce any eggs.
   卵巢负责产生卵子，如果它们不产生任何卵子，则被认为是不育的。