Postposition râ (Accusative case)

The postposition marks the accusative case which expresses direct object. Since it's a postposition, it comes after the noun which is going to play the role of a direct object.

barâdar-ash râ didamI saw his brother
ketâb-ash râ didamI saw his book
kif-am râ gom kardeamI've lost my bag
Mâshin-ash râ shostShe washed her car
chiz-i râ az Engelisi be Fârsi tarjome kardanto translate something from English into Persian