英语词汇firm sponge-rubber mattress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	firm sponge-rubber mattress
释义	firm sponge-rubber mattress 简明释义硬海绵橡胶垫专业释义 1 医药科学硬海绵橡胶垫
随便看	ratchet gear ratchet gearing ratchet gearing ratchet gear wheel ratchet-gear wheel ratchet handle ratchet handle ratchet handle spanner ratchet helical gear ratchet hob ratchet hoist ratcheting ratcheting deformation ratcheting ratchet jack ratchet lever ratchet lever jack ratchet lift ratchet magnetic pulse oscillator ratchet mechanism ratchet mechanism ratchet motion ratchet nut ratchet pawl ratchet pawl bearing

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。