被子植物时代
period of angiosperms
angiospermous age
时代
Age
era
Time
Times
Period
epoch
Ages
economy
Periods
Years
chronology
generations
Generation
background
time stratigraphy
Date
Year
emplacement age
geological age
后PC时代
Post PC time
Post-PC age
Post-PC Era
post-PC times
the era of post-PC