“sac”的概念、定义、翻译、参考文献-科学参考

单词	sac
释义	sac [sak] ^BIOLOGY A soft-walled cavity within a plant or animal, often containing a special fluid and usually having a narrow opening or none at all. ^MAPPING Indentation in the contour lines of equal depth showing submarine relief.
随便看	Burnett's syndrome burn-in burning burning constant burning glass burning index burning line burning oil burning point burning quality burning-quality index burning rate burning-rate constant burning train burning velocity burnish meter run meter sensitivity meter sizing factor meter stop meter-ton-second system meter-type relay meter wheel metestrus methacrolein

科学参考收录了103327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。