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单词 multifocal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mul•ti•fo•cal  (mul′tē fōkəl, mul′tī-),USA pronunciation adj. 
  1. Ophthalmologyhaving several focuses.
  2. (of an eyeglass lens) having several focusing areas that correct for both nearsightedness and farsightedness.
  • multi- + focal 1915–20

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