deux semaines w języku angielskim

fortnight [fortnights]▼◼◼◼(period of two weeks)
noun
[UK: ˈfɔːt.naɪt] [US: ˈfɔːrt.ˌnaɪt]

biweekly▼◼◼◼(every two weeks)
adverb
[UK: bi.wee.kli] [US: baɪ.ˈwiː.kli]