When birds trill, they sing a series of quickly repeated high notes.(鸟)啭鸣
literary to speak in a very high voice高声说话
specialized music (the effect achieved by) the fast playing of a note and the note above or below it, one after the other颤动;颤音
a series of quickly repeated high notes sung by a bird(鸟)啭鸣
specalized phonetics a sound that is made by very small, quick movements of one of the organs used in speech颤音
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切換為繁體中文