英语词汇optimu efficiency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	optimu efficiency
释义	optimu efficiency immunodeficiencyn. 免疫缺陷 optimisticallyadv. 乐观地
随便看	begonia socotranas begonia tengchiana Begonia tuberhybrida begonia tuberhybridas Begonia wangii Yu begonia wilsonii gagnep. begonia wutaiana Begonte begood Be Good Be good! be good at be good at figures be good company be good enough to be good enough to do be good for be good for a laugh be good for sth be good for the soul be good friends be good law be good money be good news be good practice

英汉双解词典包含3607232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。