“痕--凹槽--底色”概念、定义、翻译-科学时代

单词	痕--凹槽--底色
释义	工程与技术词汇手册 impression 底色；痕；凹槽
随便看	self-study advisory service self-study aid self-study centre self-study guidance self-study guide self-study handbook self-study material self-study series self-study strategy self-study through correspondence self-study university self-sufficiency self-sufficiency self-sufficiency self-sufficiency self-sufficient self-sufficient economy self-sufficing feed self-suggestion self-suggestion self-supporting person self-supporting plant self-supporting telecommunication cable self-sustained oscillation self-sustaining power

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。

impression