1. Replacing the water in an aquarium, etc. 2. When animals breathe through gills in water, they take in and replace the fresh water that comes into contact with their gills. Source: About Shogakukan Digital Daijisen Information | Legend |
1 水槽などに入った水を交換すること。 2 水中でえら呼吸を行う動物が、えらに触れる新鮮な水を取り込み、入れ換えること。 出典 小学館デジタル大辞泉について 情報 | 凡例 |
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