trill
verb [ I ] uk/trɪl/ us/trɪl/
（鸟）啭鸣
When birds trill, they sing a series of quickly repeated high notes.
literary高声说话
to speak in a very high voice
[ + speech ] "I'll be right down!" trilled Daphne. “我马上下来！”达夫妮高声叫道。
trill
noun [ C ] uk/trɪl/ us/trɪl/
(MUSIC)
music specialized颤动;颤音
(the effect achieved by) the fast playing of a note and the note above or below it, one after the other
(BIRD)
（鸟）啭鸣
a series of quickly repeated high notes sung by a bird
We heard the familiar trill of the lark. 我们听到了云雀那熟悉的啭鸣。
(SPEECH)
phonetics specalized颤音
a sound that is made by very small, quick movements of one of the organs used in speech