spring ▁produced ▁in ▁the ▁same ▁pre gn ancy . ▁ ▁T win ▁may ▁also ▁refer ▁to : ▁ ▁T win , ▁Alabama , ▁a ▁city ▁in ▁the ▁United ▁States ▁ ▁T win , ▁Belg ium , ▁Wal lo on ▁name ▁of ▁the ▁Belg ium ▁city ▁of ▁Th u in ▁ ▁T win ▁( production ▁team ), ▁a ▁Swedish ▁record ▁production ▁and ▁song writing ▁team ▁ ▁T win ▁( TV ▁series ), ▁a ▁Norwegian ▁television ▁crime ▁drama ▁series ▁from ▁ 2 0 1 9 ▁ ▁T win ▁( window ing ▁system ), ▁a ▁window ing ▁environment ▁for ▁text ▁mode ▁displays ▁ ▁T win ▁pattern , ▁software ▁design ▁pattern ▁ ▁Will ows ▁T WIN , ▁a ▁Windows ▁emulator ▁ ▁T win , ▁a ▁member ▁of ▁the ▁Minnesota ▁Tw ins ▁baseball ▁team ▁ ▁Fl at - t win ▁engine ▁ ▁V - t win ▁engine ▁ ▁Stra ight - t win ▁engine , ▁also ▁referred ▁to ▁as ▁a ▁parallel - t win ▁ ▁Cry stal ▁tw in , ▁a ▁cry stal ▁sample ▁with ▁two ▁domains ▁containing ▁a ▁tw in ▁boundary ▁ ▁T win ▁house , ▁semi - det ached ▁housing ▁ ▁T win ▁towns ▁and ▁sister ▁cities , ▁towns ▁and ▁cities ▁involved ▁in ▁town ▁tw in ning ▁ ▁Gem ini ▁T win , ▁an ▁American ▁two - se at ▁power ed ▁par ach ute ▁design ▁ ▁Air ▁Cre ation ▁T win , ▁a ▁French ▁two ▁seat ▁ul tr al ight ▁tri ke ▁design ▁ ▁See ▁also ▁ ▁T win ▁par ado x , ▁a ▁thought ▁experiment