单语范例（未经PONS编辑处理）
英语
- This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts.en.wikipedia.org
- This is likely to be an adaptation to low abundance within hosts, allowing the life cycle to continue when only one individual successfully infects the final host.en.wikipedia.org
- The mammalian host, or the final host, becomes infected by ingesting metacercariae on the aquatic plants.en.wikipedia.org
- Among final hosts humans are most important.en.wikipedia.org
- It attaches to the final host after 79 days (but possibly up to 77 days).en.wikipedia.org
- Final hosts are humans and dogs.en.wikipedia.org
- When consumed by a suitable final host, the cycstacant "excysts", everts its proboscis and pierces the gut wall.en.wikipedia.org
- The second intermediate hosts are freshwater fish, followed by the final host, which are fish-eating mammals such as felines and humans.en.wikipedia.org
- The usual final hosts are humans.en.wikipedia.org
- The semifinals are both two-legged, and the respective winners are admitted to play in a one-legged final hosted in a neutral ground.en.wikipedia.org
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英语