“bullfrog”的概念、定义、翻译、参考文献-科学参考

单词	bullfrog
释义	bullfrog Science and Technology Any large, aggressive frog; the male American bullfrog (Lithobates catesbeianus) is 9–15 cm long, and male African bullfrogs (Pyxicephalus adspersus) can grow to more than 20 cm long (females are smaller in both species). Mike Allaby
随便看	retrodiction retrograde retrograde metamorphism retrograde motion retrogression retrogressive metamorphism retronym retrorocket retrosiphonate retrospective study retrosynthetic analysis retrotransposon retro virus retrovirus retrusive retry return return channel return current return-current coefficient return flow return instruction return interval return loss return period

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。