婚約 angolul

betrothal [betrothals]▼(mutual promise)
noun
[UK: bɪ.ˈtrəʊ.ðəl] [US: bɪˈtro.ʊ.ðəl]

engagement [engagements]▼(period of time when marriage is planned or promised)
noun
[UK: ɪn.ˈɡeɪdʒ.mənt] [US: en.ˈɡeɪdʒ.mənt]