LingakuPoradie podľa frekvencie: 20 521. – 20 614.
Ajよれい
- bell signalling that work, class, etc. will formally begin shortly; first bell; warning bellpozri aj 本鈴
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Vygenerované: This refers to a bell that indicates to students or workers that they should prepare for an upcoming start of a lesson or work period. It serves as a formal warning that the scheduled time is about to begin.