| 单词 | concentrate |
| 释义 | concentrate v. & n. --v 1. intr. (often foll. by on, upon) focus all one's attention or mental ability. 2. tr. bring together (troops, power, attention, etc.) to one point; focus. 3. tr. increase the strength of (a liquid etc.) by removing water or any other diluting agent. 4. tr. (as concentrated adj.) (of hate etc.) intense, strong. --n 1. a concentrated substance. 2. a concentrated form of esp. food. Derivatives concentratedly adv. concentrative adj. concentrator n. Etymology: after concentre f. F concentrer (as con- + centre) |
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