The nightjar was churring loudly in the forest.

夜鹰在森林里发出刺耳的声音。

The sweet birdsong of the nightjar, the roar of a lion or the grunt of a hippo could soon replace the trilling and beeping of Britain's mobile phones.

英国手机的颤音和尖叫可望在不久之后为欧夜鹰的美妙歌声、狮子的咆哮或是河马的呼噜声所代替。