Snow leopards live at high altitudes.
雪豹生活在海拔高的地区。
Because it is extremely cold at very high altitudes, snow rarely melts.
因为海拔很高，天气非常寒冷，雪很少融化。
The air is rare at high altitudes.
雪在那个国家是罕见的。
At high altitudes, it is difficult to breathe.
在高纬度的地方呼吸很困难。
I worry about what happens when I get into high altitudes.
我担心进入高原后会发生什么问题。
Now, fresh research points to a possible explanation: high altitudes.
现在，最新研究指出了一个可能的解释：高海拔。
Mountain climbers often carry oxygen tanks because the air is very thin at high altitudes.
登山者通常会携带氧气筒，因为在极高的地带空气相当稀薄。
The quality of high altitude sampes are better than low altitudes.
低海拔地区大黄的质量不及高海拔地区；
The quality of high altitude sampes are better than low altitudes.
低海拔地区大黄的质量不及高海拔地区；
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