At one point a bird trilled in the Conservatory.
有那么一刻，一只鸟儿在温室里啼叫。
柯林斯例句
A phone trilled on the desk.
办公桌上的电话丁零零地响了。
《牛津高阶英汉双解词典》
The trilled ` r'is produced by vibrating the tongue against the upper teeth.
发带颤音的r,舌抬向上齿颤动而成.
辞典例句
The trilled'r'is produced by vibrating the tongue against the upper teeth.
发带颤音的r,舌抬向上齿颤动而成.
互联网
The trilled'R'is produced by vibrating the tongue against upper teeth.
发带颤音的R,舌抬向上齿颤动而成.
互联网
"she used rolling r's as in Spanish"