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 news comes from a reliable source. 这消息来自可靠的来源。
- 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。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The bird caught a bug on the fly. 那鸟在飞行中捉住了一只昆虫。
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Stones were flying about in every direction. 石块朝四面八方乱飞。
- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- We were flying above the clouds. 我们在云层上面飞行。
- I'd like to fly to Glasgow on the fifth of May. 我想5月5日飞往格拉斯哥。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- He said he wanted his son to fly right. 他说他希望他儿子做个正派的人。
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
