Pete,Sarah and Mike are good friends.They are all twrlve years old.They are in Grade Four.翻译这句话

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Pete,Sarah and Mike are good friends.They are all twrlve years old.They are in Grade Four.
翻译这句话

彼特,莎拉和迈克都是很要好的朋友.他们都是12岁,都读4年级.