Assertion: echidna's penis | /r/HasProperty | 7 centimetres
Facets:
Source sentences:
text: The male echidna's penis is 7 centimetres (2.8 in) long when erect, and its shaft is covered with penile spines.
text: The male echidna's penis is 7 centimetres (2.8 in) long when erect, and its shaft is covered with penile spines.