true frog
That lacks a myelin sheath
(organic chemistry) 4,6-diamino-2-hydroxy-1,3,5-triazine, the hydrolysis product of melamine.
A material composed of multiple polymers
Any frog of the large family Ranidae, found worldwide, typically with smooth and moist skin; large, powerful legs; and extensively webbed feet.
フィールド調査中、彼女は小川のそばで見つけたラン科のカエルを一つ一つ注意深く撮影した。
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DiQt
Free
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