noun🔗Share下主音, 导音之下的音。 The note immediately below the upper note of a musical scale."In the key of C major, B is the subtonic because it is one step below C, the tonic. "在C大调中，B是下主音，因为它比主音C低一步。musicsoundChat with AIVocabulary GamePractice Reading
noun🔗Share含糊不清的语音, 不清晰的发音 An imperfectly articulated sound or utterance, as characterized by Dr. James Rush (Guide to Pronunciation, 1833)."The child's whispered response, a barely audible subtonic, hinted at his shyness rather than a clear answer. "孩子小声回应着，那几乎听不见的含糊不清的嘟囔声，与其说是一个明确的答案，不如说暗示了他的羞怯。phoneticslanguagesoundcommunicationlinguisticswordChat with AIVocabulary GamePractice Reading
adjective🔗Share含糊不清的，微弱的。 Of or pertaining to imperfectly articulated sounds or utterances that are inaudible or barely audible, as characterized by Dr. James Rush (Guide to Pronunciation, 1833)."During the play, the actor's final words were unfortunately lost, reduced to a subtonic mumble that the audience couldn't decipher. "在演出中，那位演员最后说的话很可惜地消失了，变成含糊不清的微弱嘟囔，观众完全听不清楚。phoneticslanguagesoundlinguisticscommunicationChat with AIVocabulary GamePractice Reading
