142 ad造句

• He stayed there on his way north to build the Antonine Wall in 142 AD . The fort remained occupied even after the abandonment of the Antonine Wall in the early 160s.
• The very earliest possible reference to gunpowder appeared in 142 AD during the Eastern Han dynasty, when a man named Wei Boyang wrote about a substance with the properties of gunpowder, and described a mixture of three powders that would " fly and dance " violently in his " Cantong qi ", otherwise known as the " Book of the Kinship of Three ", a Taoist text on the subject of alchemy.
• Leap day occurs in 140 AD, and so the new year, " Thoth 1 ", is July 20 in 139 AD but it is July 19 in 140-142 AD . Thus he was able to compare the day on which Sothis rose in the Egyptian calendar to the day on which Sothis ought to have risen in the Julian calendar, count the number of intercalary days needed, and determine how many years were between the beginning of a cycle and the observation.