英语词汇“piggyback lens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	piggyback lens
释义	DictionarySeelens piggyback lens piggyback lens A combination of a hard contact lens placed over a soft contact lens, used to treat two different ocular conditions.See also: lens
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