ore rotundoyoudaoicibaDictYouDict[ore rotundo 词源字典]
Latin, literally "with round mouth," from ablative of os "mouth" (see oral) + ablative of rotundus "round" (see rotund). From Horace ("Grais ingenium, Grais dedit ore rotundo Musa loqui," in "Ars Poetica").[ore rotundo etymology, ore rotundo origin, 英语词源]