Development at 1 year 6 months old

Recently my 'verbal' skills has been developing at a rather fast speed. Sometimes mummy just need to tell me once and i can repeat after her! I can say 'dog dog', 'bye bye', 'mine~' (should be meow though), 'no' etc a few months ago but just these few days (in this week), i learn 'fish', 'car', 'cat', 'bubble', 'ball'. today i pointed to a car in the carpark and says 'CAR!' n mummy was surprise as its the first time i say 'car'...Think its time to 'input' more knowledge(vocabs n motor skills) into my little brain now!