They were flying at high altitude.

他们正在高空飞行。

The plane made a dive to a lower altitude.

飞机俯冲到较低高度。

We are flying at an altitude of 6 000 metres.

我们的飞行高度是6 000米。

The aircraft had reached its cruising altitude of about 39,000 feet.

那架飞机已经达到了大约三万九千英尺的巡航高度。

The mountain has an altitude of 1,500 metres.

山高1500米。

A few precautions can help most climbers avoid altitude sickness.

一些预防措施可以帮助大多数登山者避免高原反应。

Altitude sickness usually begins when a climber goes above 8,000 to 9,000 feet.

高原反应通常发生在攀登者身处的高度为8000到9000英尺的时候。

Your body needs to get used to a high altitude before you climb to an even higher one.

在你爬到更高的地方之前，你的身体需要适应高海拔的环境。

Besides these symptoms of altitude sickness, others such as headache and fatigue may also occur.

除了这些症状外，高原反应还可能出现头痛和疲劳等其他症状。

Whoever wins the tournament will have switched from altitude to sea level and back again at some point.

无论哪队赢得今年的比赛，他们都将从高海拔换到海平面，然后在某一时刻再换过来。

The lower oxygen pressure found in an aircraft cabin is equivalent to that at 6,000-8,000 feet of altitude.

机舱里的氧分压会更低，其数值跟6000到8000英尺高空的氧分压值一样。

Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone.

就在这个时候，美国国家航空航天局决定通过拍摄黄石公园的照片来测试一些新的高空照相机。

One of the most common dangers to climbers is altitude sickness, which can affect even very experienced climbers.

登山者最常见的危险之一是高原反应，即使是非常有经验的登山者也会受到影响。

The pilots did descend to the wrong altitude then, thinking they were following the air controllers' instructions.

飞行员确实以错误的高度下降，并以为他们遵循了空中管制员的指示。

The same has happened to the "altitude tent", developed by AIS to replicate the effect of altitude training at sea level.

“高原帐篷”也是如此，这是澳大利亚体育学院为了模仿在海平面高度地点的训练效果而设计研发的。

Kohler attributes the immediate cause of the abandonment to problems with corn production at a high altitude during short growing seasons.

科勒认为，（居住地）废弃的直接原因是高海拔地区的玉米生长季节较短，因此生产出现了问题。

In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction.

1958年，澳大利亚科学家戴维·沃伦开发了一种飞行记录仪，可以追踪飞行高度和飞行方向等基本信息。

Wind velocity also increases with altitude and may cause serious stress for trees, as is made evident by the deformed shapes at high altitudes.

风速也随着海拔高度的增加而增加，可能给树木带来严重的压力，这从高海拔地区的变形就可以看出来。

Other archaeologists have identified the immediate cause of this abandonment to be a series of short growing seasons that would have put pressure on corn production at that high an altitude.

其他考古学家已经发现导致这种遗弃的直接原因是一系列短暂的生长季节，而这将会给生长在高海拔地区玉米的生产带来压力。

Climate change has raised average temperatures in the Central Highlands region of Kenya, allowing the disease to creep into higher altitude areas where the population has little or no immunity.

气候变化导致肯尼亚中部高地地区平均温度的上升，这使得这种疾病蔓延到高海拔地区。

Although the pressure of the cabin is adjusted to prevent altitude sickness, you could still experience sleepiness or a headache.

虽然机舱压力可以被调节，以避免人体发生高空反应，但你仍会感到困倦或头痛。

At the edge of darkness, after about eight hours, I turned around and saw the Earth from our altitude at Hubble, 568 kilometers up.

在黑暗的边缘，大约8个小时后，我转过身来，从哈勃望远镜上看到了568公里高处的地球。

There the colonists grew crops and extracted products for their own use and for transshipment back to their high-altitude compatriots.

在那里，殖民者种植作物，抽提产物供自己使用，并转运回去给处于高海拔地区的同胞。

Alternatively, savour high-altitude views - stratocirrus permitting -from the observation deck in the World Financial Center.

在没有云雾的日子里，可以登上环球金融中心的观景台去欣赏高空美景。

What happens at higher altitude?

在高海拔处会发生怎样的情况呢？

He reduced altitude and spotted a woman below.

他下降高度，下方有一个妇女。

So began football's "high altitude controversy".

这就开始了足球的“高海拔辩论”。

To date, nobody has broken Kittinger’s altitude record.

迄今为止，没有人打破基廷格降落高度的纪录。