“life preserver”的概念、定义、翻译、参考文献-科学参考

单词	life preserver
释义	life preserver [`līf pri´zǝr·vǝr] ^ENGINEERING A buoyant device that is used to prevent drowning by supporting a person in the water.
随便看	membrane waterproofing membranous glomerulonephritis membranous labyrinth membranous pregnancy membranous urethra MEMC memex memistor memomotion study memory memory address register memory bank memory buffer register memory capacity memory card memory cell memory chip memory contention memory core memory cycle memory dump memory dump routine memory element memory expansion card memory fill

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。