您要查找的是不是：
- The flag was flown at half-staff. 那旗帜降了半旗。
- He aimed carefully and then let fly at the birds. 他仔细地瞄准，然后朝那些鸟儿射击。
- Bats fly at night and feed on insects. 蝙蝠在夜间飞行，以昆虫为食。
- He picked up a stone and let fly at the balking dog. 他捡起一块石头朝那狂吠的狗扔去。
- We saw an answering pennant flown at the dip. 我们看见对方升起了一面答礼的旗帜。
- Furious at his deceit, she let fly at him with a stream of abuse. 他欺骗人，气得她把他大骂了一顿。
- The flags are flown at half-mast in mourning. 下半旗志哀。
- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- The airliner flew at an altitude of 20000ft. 客机在两万英尺的高度飞行。
- Bats fly at night and feed on insects and fruit. 蝙蝠在夜间飞行，以昆虫和水果为食物。
- He aimed carefully and then let fly at the ducks . 他仔细地瞄准，然后射向那些鸭子。
- The plane flew at an altitude of30000 feet. 飞机在三万英尺的高空飞行。
- They fly at first cosmic velocity. 他们以第一宇宙速度飞行。
- The airplane flies at 900 kilometers an hour. 飞机以每小时900公里的速度飞行。
- An owlet is a bird of prey that flies at night. 小型猫头鹰是在夜晚捕食的一种鸟。
- He aimed carefully and then let fly at the ducks. 他仔细地瞄准,然后射向那些鸭子。
- New planes can fly at the speed of sound. 新型飞机可以音速飞行。
- We'll fly at height of 80000 meter. 我们将在8万米高空飞行。
- Why did you fly at her throat last night? 当汤姆骂迪克时，迪克怒不可遏向他猛扑过去。
- Dear! Dear! What a fury to fly at Master John! 哎呀!哎呀!这么大的气出在约翰少爷身上
