concentration

漢語翻譯

英文解釋：

名詞 concentration:

1. (chemistry) 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
   同義詞：density, denseness, tightness, compactness
3. strengthening the amount of a substance in a unit amount of another substance (as of a solute in a mixture) by removing the other substance
4. increase in density
5. complete attention; intense mental effort
   同義詞：engrossment, absorption, immersion
6. bringing together military forces
7. great and constant diligence and attention
   同義詞：assiduity, assiduousness

例句：

1. The tennis players need total concentration during play.
   網球運動員在比賽中需要全神貫注。
2. The drug affects one's power(s) of concentration.
   這種藥影響人精神不能集中。
3. The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.
   內滲透一種液體透過可滲透膜流向另一種濃度比它高的液體的內部流動
4. A state of mental concentration.
   專心致志，全神貫注全神貫注的狀態
5. I found it hard to keep my concentration with such a noise going on.
   吵鬧聲不絕於耳，我很難保持精神集中。
6. Stress and tiredness often result in a lack of concentration.
   緊張和疲勞常使人精神不集中。