It is difficult to breathe at high
altitudes.
在海拔高的地方呼吸很困难。
The airplane kept on flying at a high altitude.
这架飞机继续在高空飞行。
What is the altitude of this village?
这个村子海拔多少?
The altitude of Mount Everest is over 29,000 feet.
珠穆朗玛峰的海拔高度超过29,000英尺。
Flying at high altitude can cause changes in atmospheric pressure.
在高海拔飞行可能会引起大气压力的变化。
The airplane leveled off at its cruising altitude.
飞机在巡航高度上保持水平。
We need to descend to a lower altitude before we can land safely.
为了安全降落，我们需要降到较低的高度。
The weather forecast predicted clear skies at high altitude.
天气预报显示高空有晴朗的天空。
Many birds have exceptional abilities to fly at great
altitudes.
许多鸟类具有在极高高度飞行的特殊能力。
The balloon ascended to an altitude of 50,000 feet.
气球上升到50,000英尺的高度。
Altitude sickness can be a concern for climbers at high elevations.
高原反应是登山者在高海拔地区需要关注的问题。
Our aircraft is currently at 35,000 feet, crossing the tropopause.
我们的飞机目前在35,000英尺的高度，穿越对流层。
The plane began its descent, reducing its altitude steadily.
飞机开始下降，稳定地降低高度。
Construction of the world's largest ultra-high-altitude wind farm, standing at an average altitude of 4,650 meters, and with a total capacity of 100 megawatts.
建设世界上最大的超高海拔风电场，平均海拔4650米，总容量100兆瓦。
Despite the harsh conditions caused by the high altitude, the project was completed in more than 260 days.
尽管高海拔造成了恶劣的条件，该项目还是在260多天内完成。
The high altitudes and subtropical climate of Yunnan, which has the largest coffee plantation area in China, are ideal for growing high-quality beans.
云南是中国咖啡种植面积最大的地区，海拔高，气候亚热带，是种植优质咖啡豆的理想之地。
The pumped storage power station with the largest installed capacity and regulated storage capacity in the world's ultra-high altitude area (above 3,500 meters), which kicked off construction on Saturday in Northwest China's Qinghai province, will further tap the abundant clean energy resources in local regions, said its operator China Three Gorges Corp. With a total installed capacity of 2.4 million kilowatts, it is estimated to replace about 4.63 million tons of standard coal once operational and reduce carbon dioxide emissions by about 26.64 million tons per year, it said.
这座抽水蓄能电站是世界上超高海拔地区（3500米以上）装机容量和调节库容最大的抽水蓄能发电站，于周六在中国西北部的青海省开工建设，其运营商中国三峡集团公司表示，该电站将进一步挖掘当地丰富的清洁能源资源。该公司表示，总装机容量为240万千瓦，一旦投入运行，预计将替代约463万吨标准煤，每年减少约2664万吨二氧化碳排放。
The power station, which uses electricity to pump water to be stored at a higher location, and then releases the water to generate electricity when the power supply is insufficient, will be located at an altitude of 3,200 to 3,700 meters in the city of Golmud in the Haixi Mongolian and Tibetan autonomous prefecture, said the company.
该公司表示，该发电站将位于海拔3200至3700米的海西蒙古族藏族自治州格尔木市。
"It costs only 30 seconds to pass from an altitude of 1,700 meters to 1,000, which brought great challenges to the air conditioning pressure system and control system of the train. "
“从1700米的高空通过到1000米只需30秒，这给列车的空调压力系统和控制系统带来了巨大挑战。”
However, the total quantity of mines in Jiangxi is not abundant, while lithium mining in Sichuan is challenging due to the mine locations in remote areas with high altitudes and a lack of infrastructure.
然而，江西的矿山总量并不丰富，而四川的锂矿开采由于位于高海拔偏远地区，缺乏基础设施，因此具有挑战性。
As one of the most popular training machines in the world, S-300C is mainly used in pilot training and low altitude tourism.
S-300C作为世界上最受欢迎的训练机之一，主要用于飞行员训练和低空旅游。
Branson, 70, and five crewmates from his space-tourism company reached an altitude of 53.5 miles (86 kilometers) over the New Mexico desert — enough to experience three to four minutes of weightlessness — and then glided home to a runway landing.
现年70岁的布兰森与其太空旅游公司的五名机组人员一起飞至新墨西哥沙漠上空53.5英里（86公里）的高空——足以让他们体验三到四分钟的失重状态——随后滑回并降落在跑道上。
Reaching its peak altitude at about 46,000 feet, the rocket plane was released from the mothership and fell away as the crew ignited its rocket, sending it up at supersonic speed.
在爬升至约46,000英尺的最高高度后,火箭飞机从母舰上被释放出来,在机组人员点燃火箭、使其以超音速升空之际,它从母舰上脱落。