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单词 grommet
释义 grommet
n. (also grummet)
  1. a metal, plastic, or rubber eyelet placed in a hole to protect or insulate a rope or cable etc. passed through it.
  2. a tube passed through the eardrum in surgery to make a communication with the middle ear.
Etymology: obs. F grommette f. gourmer to curb, of unkn. orig.
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