Explanation: Yu flexion and extension at any time, from top to bottom.
No. 2
Yu flexion and extension at any time, from top to bottom. "Selected Works of Liu Xiaobiao <Canton Breaking off of>": "Covered Saints hold gold mirror, illustrates the wind strong, Long-xiang oblique flexor, pollution from the Long Road." Annotation: "Ban Gu's" Han Han Peng, "stated said: ' clouds from Long-xiang, into Hau Wong. '"Book of Changes", saying:' looper of flexion, in order to stretch too. '"Lu Yan Economic Note:" Words are saints who Ming, open fan, Teng of such long, such as the flexor of the geometrid, Long also killed at any time also. "
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No. 3
Analogy flexion and extension at any time, from top to bottom.