Nuair a thagann splanc thintrí, is amhlaidh a dhéantar an t-aer a ianú agus a théamh go tobann.
Cuireann an téamh sin le hinfheictheacht na splaince, ach cuireann sé le forbairt thobann an aeir feadh na splaince chomh maith. Leis an bhforbairt thobann sin forleathann brúthonn i ngach uile threo san aer, agus is mar thoirneach a chloistear an tonn sin fuaime. Tonn solais na tintrí - is ar luas forleata an tsolais a fhorleathann sí siúd. Ach maidir le tonn fuaime na toirní - is ar luas forleata na fuaime a fhorleathann sí sin. Mar sin, i bhfad sula sroicheann an phlimp thoirní na cluas feiceann na súile an tintreach.
Is síol é an t-alt seo. Cuir leis, chun cuidiú leis an Vicipéid. Má tá alt níos forbartha le fáil i dteanga eile, is féidir leat aistriúchán Gaeilge a dhéanamh. |
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