watch-glass

英['wɒtʃɡl'ɑːs] 美['wɒtʃɡl'ɑːs]
  • n.表玻璃
名词 watch glass:
  1. laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker

  2. a protective cover that protects the face of a watch