| 单词 | acute |
| 释义 | Word Frequency acute(əˈkjuːt) adjective 1. penetrating in perception or insight 2. sensitive to details; keen 3. of extreme importance; crucial 4. sharp or severe; intense acute pain an acute drought 5. having a sharp end or point 6. mathematics a. (of an angle) less than 90° b. (of a triangle) having all its interior angles less than 90° 7. (of a disease) a. arising suddenly and manifesting intense severity b. of relatively short duration Compare chronic (sense 2)8. phonetics a. (of a vowel or syllable in some languages with a pitch accent, such as ancient Greek) spoken or sung on a higher musical pitch relative to neighbouring syllables or vowels b. of or relating to an accent (´) placed over vowels, denoting that the vowel is pronounced with higher musical pitch (as in ancient Greek), with a certain special quality (asin French), etc Compare (for senses 8a, 8b): grave, circumflex9. (of a hospital, hospital bed, or ward) intended to accommodate short-term patients with acute illnesses noun 10. an acute accent Derived forms acutely (aˈcutely) adverb acuteness (aˈcuteness) noun Word origin C14: from Latin acūtus, past participle of acuere to sharpen, from acus needle |
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