They studied the sun's movement and also paid attention to other natural changes such as air temperature, water and plant growth.
他们研究了太阳的运动，还关注了其他自然变化，如气温、水和植物生长。
The hidden lower level contains the barrel cellar, with room for storing up to 300 wooden barrels. This space is largely protected against changes in air temperature and humidity.
隐藏的低层包含桶窖，房间存储的木桶达到300个。该空间在很大程度上维持空气的温度和湿度，免受改变。
Even when the pressure stays the same, great changes in air density are caused by changes in temperature.
即使压力不变，气温的变化也能引起空气密度的巨大变化。
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