In the 1940s, the world was in turmoil, and it was crucial to decipher the enemy's communication codes in a timely and accurate manner. Rong Jinzhen...
Mynediad Diderfyn Am Ddim, Chwilio am unrhyw beth Dim Hysbysebion, Miliynau o deitlau ac yn cael eu hychwanegu bob dydd, Pob platfform ac wedi'i Optimeiddio'n Llawn, Unrhyw le ac unrhyw bryd