porikärbes tähendus null.

bluebottle [bluebottles]▼◼◼◼noun
[UK: ˈbluː.bɒt.l̩] [US: ˈbluː.bɒt.l̩]

blowfly [blowflies]▼◼◼◻noun
[UK: ˈbləʊ.flaɪ] [US: ˈbloʊ.flaɪ]