奇點 angolul

singularity [singularities]▼(mathematics: value for which a derivative does not exist)
noun
[UK: ˌsɪŋ.ɡjʊ.ˈlæ.rɪ.ti] [US: ˌsɪŋ.ɡjʊ.ˈlæ.rɪ.ti]