| 单词 | acute |
| 释义 | acute adj. & n. --adj (acuter, acutest) 1. (of sensation or senses) keen, penetrating. 2. shrewd, perceptive (an acute critic). 3. (of a disease) coming sharply to a crisis; severe, not chronic. 4. (of a difficulty or controversy) critical, serious. 5. a (of an angle) less than 90�� b sharp, pointed. 6. (of a sound) high, shrill. --n = acute accent. Phrases and idioms acute accent a mark ( Usage ) placed over letters in some languages to show quality, vowel length, pronunciation (e.g. mat{eacute}), etc. acute rheumatism Med. = rheumatic fever. Derivatives acutely adv. acuteness n. Etymology: L acutus past part. of acuere sharpen f. acus needle |
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