英语词汇echelle gratings怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	echelle gratings
释义	echelle grating 【光谱学】中阶梯光栅
随便看	Gosse, Sir Edmund William gossied up gossip gossip about gossip column gossip columnist gossip columnists gossip columns gossiped或-sipped gossiper gossipers gossipiness gossipingly gossiping或gossipping gossipist gossipmonger gossipmongering gossipmongers gossip of gossipper gossipping gossipred gossipries gossipry gossipy

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。