river lampreys
plural of river lamprey
Moving in a direction that is considered down, such as downstream or to a lower level.
Misspelling of heliomycin.
Any of a group of moderate-sized frogs in the genus Hemisus and family Hemisotidae, which have a small upturned nose.
川に生息するヤツメウナギたちは毎春、産卵のために砂利の床へ向かって上流へ遡上する。
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