n.颤声，抖音，啭声( trill的名词复数 )；v.用抖动的声音说，用卷舌发音，发出抖动的声音( trill的第三人称单数 )； 英英释义： trilln.a note that alternates rapidly with another note a semitone above it同义词：shakethe articulation of a consonant (especially the consonant `r') with a rapid flutter of the tongue a