1640s, from Italian trillio, triglio "a quavering or warbling in singing," probably ultimately of imitative origin. The verb is 1660s, from Italian trillare "to quaver, trill." Related: Trilled; trilling.
权威例句
1. Can you trill the sound as in Spanish?
你能以颤音发出西班牙语中的音 吗 ?
2. Some birds trill their songs.
有些鸟颤声鸣唱.
3. It was my first time in Europe, and that alone was quite a trill.
那是我第一次去欧洲, 格外兴奋.
4. Aim : To investigate the trill and stability of diclofenac acid - choline eyedrops.
目的: 观察双氯芬酸胆碱滴眼剂的刺激性及稳定性.
5. A trill is a rapid alternation between the two notes.