英语词汇annular seal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	annular seal
释义	annular seal semiannualadj. 每半年一次的；一年两次的
随便看	carbon white carbonwhite carbon wool carbony iron carbonyl addition carbonyl addition reaction carbonylamines carbonyl analyzer carbonylate carbonyl carbonylatio carbonylation carbonylative alkylation carbonyl bond Carbonyl bromide Carbonyl Chloride carbonyl chlorobromide carbonyl cobalt Carbonyl complex carbonyl compoumd Carbonyl compound Carbonyl compounds carbonylcontaining contaminant carbonyl containing contaminant carbonyl core

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。