“tramp species”的概念、定义、翻译、参考文献-科学参考

单词	tramp species
释义	tramp species 舶来物种
随便看	layer thickness gauge layer thickness meter layer to layer signal transfer layer-to-layer transfer layer topology layer type cable layer winding layer-wound solenoid Layfield report lay heavily (家禽) lay in lay in a stock of merchandise laying laying battery laying cage disease laying cycle laying house laying-in laying-in knitted fabric laying in stocks laying intensity laying-in thread laying machine laying of cables laying of cornerstone

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。