“预备性援助”概念、定义、翻译-科学时代

单词	预备性援助
释义	商务词汇手册预备性援助 preparatory assistance
随便看	wrap up wrap-up wrap-up wrap-up WRAP (Web-Ready Appliances Protocol) wrasse wrasse Wratten filter wreath wreath wreath wreath wreathed column wreathed stairs wreathing wreath product wreaths wreck wreck wreck wreckage wreck buoy wreck-chart wrecker wreckfish

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。