名词

1. His headache had departed; his every sense seemed to have gained keenness.
他头不疼了，于是他的每个感官又恢复了敏锐。

1. 锋利：Keene's cement 金氏水泥 | keenness 锋利 | keep accounts 记帐

2. 敏锐：keenly 敏锐地 | keenness 敏锐 | keep a civil tongue in one's head 措辞谨慎

3. 锐敏度：keendraft 强空气流 | keenness 锐敏度 | keentopurchase 渴望购买

4. 着眼于细节处的微妙,培养敏感生活触觉：Journey 旅行当之无愧的最佳方法,相信梦想和陌生人 | Keenness 着眼于细节处的微妙,培养敏感生活触觉 | Listen 倾听每段对话都有启发

noun

1. thinness of edge or fineness of point

Synonym: sharpness

2. a quick and penetrating intelligence

e.g. he argued with great acuteness
I admired the keenness of his mind

Synonym: acutenessacuitysharpness

3. a positive feeling of wanting to push ahead with something

Synonym: eagernessavidityavidness