1、 It is urgent that the acute problem of air pollution in the city be solved、该城市空气污染这一严重问题急须解决。
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3、 He is a man of acute intelligence、他非常聪颖。
4、 She complained of acute pains in her chest、她自诉胸部剧痛。
5、 She still has very acute hearing， though she is eighty years old、尽管她已经八十岁了，但她的听觉仍然很灵敏。
6、 He fell ill with acute appendicitis、他得了急性阑尾炎。
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