吕氏英汉字典[简体]:
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bifocal lens
"bifocal lens" Chinese translation ("bifocal lens" in Chinese, "bifocal lens" 中文翻译, "bifocal lens"发音):
bifocal lens
Ë«½¹µã͸¾µ [Ë«½¹µã͸¾µ]
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