关于amphibians的百科

• amphibians造句怎么写

• Theskinofamphibiansispermeabletowater.Amembraneorfoldofskinconnectingthetoes,asofcertainamphibians,birds,andmammals.Thepassagesremainmoistyear-round,supportingdozensofspeciesofinvertebratesandamphibians.Thisresultsinashiftinginecologicalboundaries,af...
• 2018-01-1613909