| 词汇 | concentrate |
| 词根词缀 | 词源： 1640, from concenter (1591), from It. concentrare, from L. com- "together" + centrum "center" (see center). Originally "to bring or come to a common center;" sense of "mental focus" is mid-19c. 词根记忆： v. (on)集中,专心;浓缩n.浓缩物The neutral scent of kerosene is concentrated in the center of the scene.煤油的中性气味在场景中心被浓缩. 集中;浓缩[centr=center,表示"中心"] 词根词缀： concentrate concentrate集中,浓缩 centr=center,表示”中心”central中心的acentric无中心的centripetal向心的(centri+pet追+al=追求中心的=向心的) concentrate集中,浓缩concentration集中,浓缩concentric同心的,集中的(con共同+centric=同中心的) |
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