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1. The cat sat on the mat, and the kitten climbed up to play with it.
猫坐在垫子上，小猫爬上去和它玩耍。
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2. The children played in the sandbox, building castles and creating sandcastles.
孩子们在沙箱里玩耍，建造城堡和沙堡。
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3. The car drove slowly down the road, stopping at each intersection to let people cross.
汽车沿着道路缓慢行驶，每到一个路口就停下来让行人过马路。