n. (人的)颤声,短促尖声; (鸟的)啼啭,唧唧啾啾; 颤音 v. (连续)发颤音,发短促的响声; 欢快地高声说; 发r颤音 trill的第三人称单数和复数
柯林斯词典
VERB (鸟)啭鸣,唧啾 If a bird trills, it sings with short, high-pitched, repeated notes.
At one point a bird trilled in the Conservatory. 有那么一刻,一只鸟儿在温室里啼叫。
VERB 尖声地说(或笑) If you say that a woman trills, you mean that she talks or laughs in a high-pitched voice which sounds rather musical but which also sounds rather irritating.
'How adorable!' she trills. “真可爱!”她尖声说。
颤音 A trill is the playing of two musical notes repeatedly and quickly one after the other.