I'm not exactly sure if your asking what this means but if you are this means We need a person who has a lot of resistance and who can participate in background races
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Idk if you have specific vocab but if you can put anything just pick something bigger than a book.
No sé si tiene vocabulario específico, pero puede usar cualquier cosa que sea más grande que un libro.
Elefante, cama, casa, gato, etc.
He was a botanical, entomologist, herpetologist and speleologist.