concentration camp

词形变化：

形容词: concentrative | 副词: concentratively | 名词: concentrator | 动词过去式: concentrated | 动词过去分词: concentrated | 动词现在分词: concentrating | 动词第三人称单数: concentrates |

同义词：

absorption | attentiveness | attention | meditation | awareness | focus | deliberation | study | condensation | compression | application | speciality | thinking | collection | assiduity | immersion | engrossment | density | tightness | assiduousness | denseness | compactness |

反义词：

distraction | dilution | distribution |