ptacekCOCA⁹⁷⁹⁷⁶ 例句 Hereditary sleep disorder expert Louis Ptacek of the University of California in San Francisco said the findings could help us understand“ how our sophisticated biological clock is being altered”. 旧金山加利福尼亚大学的睡眠遗传学家 Louis Ptacek表示,该结果可帮助我们理解“精确的生物钟是如何被修改的”。 yeeyan