trills/trɪl/动词(鸟)啭鸣"I'll be right down!" trilled Daphne.“我马上下来!”达夫妮高声叫道。/trɪl/名词颤动;颤音(鸟)啭鸣We heard the familiar trill of the lark.我们听到了云雀那熟悉的啭鸣。颤音想跟读,去练习