“unnavigable river”的概念、定义、翻译、参考文献-科学参考

单词	unnavigable river
释义	unnavigable river 不通航河流
随便看	strain threshold strain tide strain tolerance strain tower strain transducer strain triangular element strain tube strain viewer strain-wave strain wave velocity strain work strait straited secondary wall strait-jacket strait port straits dollar Straits tin strait work strake stramineous straminol stramonium leaf stramonium seed stramonium tablets (解痉药) stramonium tincture (解痉药)

科学参考收录了1248194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。