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butterfly valve
This butterfly valve is used to control the flow of fluid.
belladonna (a plant, Atropa belladonna)
Belladonna is a highly poisonous plant.
anthropozoonosis
Anthropozoonosis, or animal-derived infectious diseases, have the potential to spread between humans and animals.
Alternative spelling of 平行四辺形 (“parallelogram”)
This shape is a parallelogram.
a parallelogram
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