為您提供concentration英英釋意。" />

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首頁英語詞典concentrationconcentration英英釋意

concentration

英 [k?ns(?)n'tre??(?)n] 美['kɑnsn'tre??n]
  • n. 濃度；集中；濃縮；專心；集合

英英釋意

1. the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
2. the spatial property of being crowded together
3. strengthening the concentration (as of a solute in a mixture) by removing extraneous material
4. increase in density
5. complete attention; intense mental effort
6. bringing together military forces
7. great and constant diligence and attention