n. 抖动声,颤声;【音乐】颤音;【语音】(r的)卷舌音;(鸟的)啼啭。 vt.,vi. 用颤音发声[歌唱];(字母 r)发卷舌音;(鸟)啼啭。 n. -er
a note that alternates rapidly with another note a semitone above it 同义词:shake,
the articulation of a consonant (especially the consonant `r'') with a rapid flutter of the tongue against the palate or uvula; "he pronounced his R''s with a distinct trill"
sing or play with trills, alternating with the half note above or below 同义词:warble, quaver,
pronounce with a trill, of the phoneme `r''; "Some speakers trill their r''s"