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私はブッチーを飼うまで全然知りませんでした。
そして、初めて瞬膜を見た時は衝撃でした…。
アヒルは水の中を泳ぐので、水中メガネ的なものは必要ですよね(*^^*)
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I was surprised when I saw the eyelids of Butchy.
I was surprised more over when I saw the nictitating membranes of him.
I hadn’t ever seen those.
Nictitating membranes may work as swimming goggles.