| 释义 |
concen-tration 英'kɒnsntr'eɪʃn美'kɒnsntr'eɪʃn COCA²⁸⁰¹³⁶⁺⁵
基本英英
浓度¹⁰⁰
名词 concentration:
the strength of a solution; number of molecules of a substance in a given volumethe spatial property of being crowded togetherstrengthening the concentration as of a solute in a mixture by removing diluting materialincrease in densitycomplete attention; intense mental effortbringing together military forcesgreat and constant diligence and attention |