平行公设

the parallel postulate (geometry) / Euclid's fifth postulate

surname Ping

flat / level / equal / to tie (make the same score) / to draw (score) / calm / peaceful / abbr. for 平聲|平声[ping2 sheng1]

parallel / of equal rank / simultaneous

row / line / commercial firm / line of business / profession / to rank (first, second etc) among one's siblings (by age) / (in data tables) row / (Tw) column

to walk / to go / to travel / a visit / temporary / makeshift / current / in circulation / to do / to perform / capable / competent / effective / all right / OK! / will do / behavior / conduct / Taiwan pr. [xing4] for the behavior-conduct sense

public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / honorable (gentlemen) / father-in-law / male (animal)

postulate (math.) / public facilities (abbr. for 公共設施|公共设施[gong1 gong4 she4 shi1])

to set up / to arrange / to establish / to found / to display