Arti kata closed book 10 huruf Bahasa Inggris 🔊 Dengarkan ↗ Bagikan Definition of closed book (English) noun something that baffles understanding and cannot be explained how it got out is a mystery it remains one of nature's secrets Terjemahkan ke Indonesia sumber: wordnet30 Kata terkait Kata sebelumnyaclose-quarter fightingclose-setclosebandedclosebarredclosebodiedclosed Kata sesudahnyaclosed chainclosed circuitclosed corporationclosed coupletclosed curveclosed fracture