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aerocyst /ɐdmˈɪnɪstɹətˌɪv ˈɒfɪsɪz/ n

中文：气囊

中文 · 气囊Español · aerocistoFrançais · aérocyste
Meaning：Small gas-filled bladder containing nitrogen and oxygen; it is located in the thallus of some algae and provides buoyancy.
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Algae structure

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