disquisition,

预订 a disquisition on medicines that dissolve the s.
![disquisition, 【预订】a disquisition on government]()
【预订】a disquisition on government

【预订】a disquisition concerning ecclesiastical councils
![disquisition, 【预售】a disquisition on the ancient history of medicine]()
【预售】a disquisition on the ancient history of medicine

【预订】a candid disquisition of the principles and practices of