市中心长期遭鸽粪污染的利物浦市，最近引进一种能够发出嘎嘎叫声，还能拍动翅膀的机械鹰，希望能把麻烦的鸽群吓跑。
Liverpool, plagued by pigeons that pollute the city center with their droppings, is introducing a mechanical falcon which squawks and flaps its wings in hopes of scaring the pesky birds away.
鸟发出嘎嘎的惊叫声。
鸟发出嘎嘎的惊叫声。
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