英语词汇bifocal glass是什么意思，bifocal glass的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	bifocal glass
释义	DEFINITIVE EXAMPLES 权威例句〔think〕No one before had thought of bifocal glasses.以前无人想象双焦点眼镜美国传统
随便看	helianthin B helianthine helianthine B helianthrene helianthrone helianthus Helianthus annuus L Helianthus L heliarc heliarc cutting heliarc weld heliarc welding heliarnthemin Heliasteridae heliation helibarge heliborne heliborne heliborne assault heliborne assault helibus helic- helicab helical helical

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