Lesson15-The Riddle of time Word study 2 circulation n.a. movement, esp. movement of the blood from and to the heart循环 Word Formation b. state of being circulated流通;发行 C number of copies of a newspaper or circulate other periodical sold to the public发行量 Examples: a He has a good circulation of blood 1 The circulation of rumors is common a Are there many forged banknotes in circulation? a That is a news paper with a daily circulation of more than one million W BTL E BACLesson15—The Riddle of Time W B T L E I. Word Study 2. circulation n. a. movement, esp. movement of the blood from and to the heart 循环 b. state of being circulated 流通；发行 c. number of copies of a newspaper or other periodical sold to the public 发行量 Examples: He has a good circulation of blood. The circulation of rumors is common. Are there many forged banknotes in circulation? That is a newspaper with a daily circulation of more than one million. v. circulate Word Formation