)acute
敏锐的, [医]急性的, 剧烈1. a mark (') placed above a vowel to indicate pronunciation
同义词：acute accent, ague
形容词acute:
1. having or experiencing a rapid onset and short but severe course
2. extremely sharp or intense
同义词：intense
3. having or demonstrating ability to recognize or draw fine distinctions
同义词：discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp
4. of an angle; less than 90 degrees
5. ending in a sharp point
同义词：acuate, sharp, needlelike
6. of critical importance and consequence
