Even when not displaying her incredible power , Trixie is still great . <| sep |> Young children are still at an age where they are learning language and the constructs of it . This makes it easier for them to acquire new language , because they can learn the ins and outs of both languages at fairly quickly . They ' re not cemented into one language yet . Their brains have a plasticity to them that make it easier to form new connections in contrast with an adult brain that isn ' t as moldable . I teach 3 year olds , have several bilingual students , and one trilingual student . She has been slower on the uptake of language at all , because she gets the languages confused , but even in the last 3 months of school she ' s become more fluent in both English and Spanish both of which are spoken at school . It ' s really amazing to see what a three year old ' s brain is capable of .