• 1. Once every hour: 一小时一次 | 每小时一次

• 1.Try to drink some water at least once every hour.
  尽量每小时至少喝一次水。
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• 2.We should drink some water at least once every hour and try to make our water last longer in the Sahara.
  我们应该至少每小时喝一次水，并努力使我们的水在撒哈拉沙漠中保存更长时间。
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• 3.Earthquakes occur in the world about once every hour.
  世界上每小时发生一次地震。
  dict.yoduao.com

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