Now if we make some guesses about how long Homo erectus lived, what their generation time was, that's about 40,000 generations of parents to offspring, and other individuals watching, in which that hand axe didn't change.
Kalau kita bisa menebak berapa lama Homo erektus hidup, berapa banyak generasi mereka, itu sekitar 40.000 generasi orang tua sampai anak-anak, dan individu yang lain melihat, kapak genggam tidak berubah.