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- Why can an airplane fly? 飞机为什么能起飞?
- Can you explain how an airplane flies ? 你能解释飞机如何飞行吗?
- An airplane flew above our heads. 一架飞机飞过我们头上。
- An airplane flew across the sky trailing white vapor. 一架飞机从空中飞过,尾部拖着一条水汽形成的白线。
- An airplane cannot fly out into space be cause it must have the air for its propellers to push against. 飞机不能飞入太空，因为飞机的螺旋桨如果没有空气的反推力推进，是飞不起来的。
- He is so used to the silence and empty skies that when an airplane flies over he always looks up and eyes the distant intruder quizzically. 他完全见惯一片寂寥和空荡的天际，所以当飞机凌空而过的时分，他总是仰起头，神色迷茫的注视着这远方的入侵者。
- How is it possible for a boy of ten to fly an airplane? 一个十岁大的男孩会开飞机，这怎么可能呢？
- Flight rules are designed to prevent the chaos that would occur if everyone who piloted an airplane flew without regard for others. 制定飞行规则是为了避免假如每个人都自己飞行而不顾他人所讲造成的混乱局面。
- An airplane built to fly vertically as well as forward. 垂直升降飞机一种既可向前飞亦可垂直飞行的飞机
- How many calories can an ounce of sugar supply? 一盎司糖可以供给多少卡热量？
- When shall I fly on an airplane as a big guy? 几时可如大人坐飞机?
- How can an inaesthetic person teach poetry? 不懂美的人怎么能教诗？
- The airplane flies at 900 kilometers an hour. 飞机以每小时900公里的速度飞行。
- I'm scared to fly in an airplane. 我怕坐飞机。
- How many things can happen to you in an airplane? 在飞机里还会碰到什么事?
- This display allows visitors to understand the operating principle of how an airplane flies by showing them real objects and operating under the guidance of a computer. 通过实物和在电脑指导下操作,让观众了解飞机飞行姿态操纵原理。
- His friend was injured in an airplane crash. 他的朋友在一次飞机事故中受了伤。
- An airplane engine is a complex mechanism. 飞机引擎是种复杂的机械装置。
- An airplane alighted on the airdrome. 一架飞机在机场着陆。
- Can an act that causes death ever be lawful? 导致死亡的行为能合法吗?
