英语词汇gem gravels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	gem gravels
释义	gem gravels 简明释义宝石砾层网络释义 1 [地质]?宝石砾层宝石砾层<地>
随便看	steam pressure drop steam pressure gage steam pressure gauge steam pressure hose steam pressure loss steam pressure meter steam pressure regulator steam pressure respirator steam pressure switch steam pressure temperature reducer steam pressure test steam pressurization steam pressurizer steam processing steam process production technology steam process technology steam production steam-proof steamproof steam proof steam property steam propulsion steam propulsion plant steam puffer steam pump

英汉双解词典包含3185865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。