每当下雨的时侯，她就会拿出她的油纸伞。
When it rained, she could take out her oiled-paper umbrella.
天下雨的时侯，你如果不把你的水缸拿出来，你还是得不到水。
Unless you put out your water-jars when it rains you will catch no water.
但事实上，当我们到达目的地的时侯，天气突然变化多端，一开始只是下雨，后来就下大暴雨。
But actually, when we arrived the destination, the weather changed a lot, at the beginning it was raining, and then was storm.
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