“echo”概念、定义、翻译-科学时代

单词	echo
释义	水利水电词汇手册 echo 回声，回波，反射波
随便看	broken line graph broken-line-type skylight broken link broken lot broken lot broken lot broken marriage broken octave broken order on the shelves broken-out section view broken package broken pick broken rail force of seamless track broken rhyme broken selvage broken set broken sets broken space broken stone broken stowage broken stowage broken stowage broken stripper broken symmetry broken tea

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。

echo