かんしょう
環礁
1. atoll; circular coral reef
2. AtollAn atoll is a coral island (or islands) that encircles a lagoon partially or completely.
Read “Atoll” on English Wikipedia
Read “環礁” on Japanese Wikipedia
Read “Atoll” on DBpedia
Read “Atoll” on English Wikipedia
Read “環礁” on Japanese Wikipedia
Read “Atoll” on DBpedia
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