| 1. | The 3 altitudes of a triangle are concurrent . 三角形的三个高共点。 |
| 2. | In these altitudes , snow never melts . 在这么高的地方,积雪终年不化。 |
| 3. | It is difficult to breathe at these altitudes . 在这些高的地方呼吸感到困难。 |
| 4. | This envelope gradually peters out with altitude . 这一包层随高度而逐渐稀薄。 |
| 5. | The pilots dropped to the altitudes under 500ft . 飞行员将飞行高度降低到500英尺以下。 |
| 6. | She slept untill the flight was losing altitude for landing . 她一直睡到飞机降低高度准备着陆。 |
| 7. | The altitude of maximum temperature is called the stratopause . 极大值温度的高度称为平流层顶。 |
| 8. | The altitude of the peak concentration was lowest in the summer . 在夏季,峰值浓度的高度为最低。 |
| 9. | Accustomed to the controls, burcham came down from high altitude . 在适应了操纵装置后,伯彻姆便从高空俯冲而下。 |
| 10. | The space shuttle can orbit at altitudes of up to 965 kilometers . 这架航天飞机最高能在965公里的高度作轨道运行。 |