您要查找的是不是：
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- Multi-colored flags were flying over the rooftop. 五彩缤纷的旗子在屋顶上飘扬。
- I just caught a sight of a bike flying by. 我只是看见一辆自行车飞快驶过。
- He's got off to a flying start in his new job. 他兴致勃勃地开始他的新工作。
- A boy is flying a kite in the piazza. 一个小男孩在阳台上放风筝。
- Sparks from the fire were flying up the chimney. 火星沿著烟囱向上飘。
- He passed the examination with flying colors. 他考试中取得了优异成绩。
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- The bird caught a bug on the fly. 那鸟在飞行中捉住了一只昆虫。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- Stones were flying about in every direction. 石块朝四面八方乱飞。
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- We were flying above the clouds. 我们在云层上面飞行。
- The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
