| 1. | What is " clear - air turbulence "
甚么是晴空湍流？ |
| 2. | What is " clear - air turbulence "
甚么是晴空湍流？ |
| 3. | This kind of turbulence is called clear - air turbulence
但湍流也可发生在没有云的情况下，顾名思义这就是晴空湍流。 |
| 4. | And clear - air turbulence
及晴空湍流？ |
| 5. | Something out there , something called clear - air turbulence - an invisible trouble - maker for aircraft
是晴空湍流一种看不到但却可以影响飞机运作的天气现象。 |
| 6. | This is to protect you from the risk of clear - air turbulence , a rare but extremely nasty form of disturbance that can cause severe injury
这样可以使您免受晴空湍流的侵袭，这种气流很少见但威胁极大，有可能造成严重伤害。 |
