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- Analysis showed that differences in temperature among the four forests were caused by the changes in micro-topography, vegetation type, and altitudinal level. 分离综合法分析说明，局部小地形和植被类型的差异是造成林内气温在不同林型间差异的原因，而海拔高度的差异造成马尾松林与山地常绿阔叶林温度极显著差异，也加剧了与针阔叶混交林温度的显著差异。
- 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。
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- A football field should be level. 足球场地应该平坦。
- 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 rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- 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。
- I have told the whole story on the level. 我已经诚实地把整个事情经过讲出来了。
- Find level ground for the picnic table. 找一处平坦的地面放野餐的餐桌。
- 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。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- He has a level head in emergencies. 他在危急关头能镇定自若。
- If the table top isn't level, things will roll off. 如果桌面不平，东西就会滚下来。
