单语范例（未经PONS编辑处理）
英语
- It is free-spawning with external fertilisation in the water.en.wikipedia.org
- Reproduction involves external fertilisation after a brief courtship, but very little is known about the secret lives of most pycnogonids.en.wikipedia.org
- Depending on the animal species, the process can occur within the body of the female in internal fertilisation, or outside (external fertilisation).en.wikipedia.org
- Like other non-insect hexapods, diplurans have external fertilisation.en.wikipedia.org
- Depending on the animal species, the process can occur within the body of the female in internal fertilisation, or outside in the case of external fertilisation.en.wikipedia.org
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