She began to pace around the office.
她开始在办公室里踱方步。
Since the middle of the 20th century, modern tourism has been growing at a fast pace around the world.
20世纪中叶以来，现代旅游在世界范围迅速兴起。
Walking for 30 minutes at a reasonably fast, steady pace (around 3 to 4mph -- 5 to 6km/h) can burn up to 175 calories.
以相对快而稳步伐行走30分钟可以燃烧175卡路里。
Walking for 30 minutes at a reasonably fast, steady pace (around 3 to 4mph -- 5 to 6km/h) can burn up to 175 calories.
以相对快而稳步伐行走30分钟可以燃烧175卡路里。
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