he tripped and fell down a flight of stairs holding a nail gun. 他拿着射钉枪从楼梯上摔了下来
She pulls out her flight feathers. 它将羽毛扯了下来
They need to preen their flight feathers, 它们要整理飞羽
until his chicks can finally make the flight 直到雏鸟长大
The moment has arrived for their first flight. 小乌林鸮的第一次飞行时间到了