英语词汇F region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	F region
释义	F region n. 【物】F电离层(电离层的最高区, 距地面150-1,000千米, 最适合远程无线电通信) See alsoionosphere
随便看	self-expressive self-feeder self-fertile self-fertilisation self-fertilised self-fertilising self-fertilization self-fertilized self-fertilizing self-filling self-financing self-flattery self-forgetful self-forgetfully self-forgetfulness self-fulfilling self-fulfilling prophecy self-fulfilment self-glorification self-governed self-governing self-government self-gratification self-harm self-harming

英汉双解词典包含368430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。