天气的突变往往对老年人的健康造成很大影响。
The sudden change in weather usually has a great influence on the health of the old.
我们没有预料到这样的天气突变。
一旦天气突变，登山者就根本没有到达山顶的机会了。
Once the weather broke, the climbers had no earthly chance of reaching the summit.
高质量的保温把天气突变的影响降到了最低，这样就使温度变化保持在舒适的范围内。
Sudden changes of the weather are decreased in their effect by the high insulation level and thus most of them can be digested within the comfort range.
高质量的保温把天气突变的影响降到了最低，这样就使温度变化保持在舒适的范围内。
Sudden changes of the weather are decreased in their effect by the high insulation level and thus most of them can be digested within the comfort range.
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