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- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- The airliner flew at an altitude of 20000ft. 客机在两万英尺的高度飞行。
- At this altitude you often get strong winds. 在这一纬度地区，经常有大风。
- The plane flew at an altitude of30000 feet. 飞机在三万英尺的高空飞行。
- density altitude 密度高度
- The density of population in this city is very high. 这个城市的人口密度非常高。
- Some people develop altitude sickness when climbing high mountains. 有些人在爬高山时会发生高山反应。
- The pilot blacked out for a moment upon reaching such a high altitude. 飞机上升到这样高度时，飞行员昏厥了片刻时间。
- The plane was then flying at an altitude of 8000 feet. 当时飞机在八千英尺的高度飞行。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- What is the altitude of this village? 这个村子海拔多少?
- Atmospheric pressure decreases with increase in altitude and so does the density of the atmosphere . 大气压力随高度的增加而降低，而大气的密度也如此。
- The altitude of the lowest layer of clouds. 云幕高度最低层云的海拔高度
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The population density is evened out. 种群密度亦趋于均匀化。
- Winds vary with time, altitude, and location. 风随时间、高度和位置而变化。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- Stop altitude squawk, difference 1000feet. 停止高度应答，高度误差1000英尺。
- Air pressure decreases with altitude. 气压随海拔高度的增加而下降。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
