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エラ骨

えらぼね

えら骨鰓骨

[erabone]

Definitions

1.noun (common) (futsuumeishi)

jawbone; mandible

2.noun (common) (futsuumeishi)

branchial arches (in fish); gill arches

エラ骨 (えらぼね) — Definition | NichiDict