- 棘: sour jujube thorn bushes; br ...
- 头: 5点就得动身 have to start before ...
- 体: body; part of the body
- 棘头虫: acanthocephalan worm; acanthocephalids; spiny headed worm; spiny-headed worm; thorny-headed worm
- 棘头纲: acanthocephala
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