lapos boltív betyr engelsk

drop-arch▼adjective
[UK: drɒp ɑːtʃ] [US: ˈdrɑːp ˈɑːrtʃ]

jack-arch▼adjective
[UK: dʒæk ɑːtʃ] [US: ˈdʒæk ˈɑːrtʃ]