keennesses中文什么意思

n. 敏锐；锐利

例句与用法

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1. with the dropping of day his keenness had evaporated .
   随着太阳西下，他的热情也烟消云散。
2. there was no keenness in the eyes, they seemed rather to be shedding love than making observations .
   她的目光不锐利，那双眼睛似乎是在流出爱来，而不是在观看外界事物。
3. his speech inspired the keenness in the soldiers
   他的演讲激发了士兵们的热情。
4. a few weeks'hard work should damp down his keenness
   几星期的艰苦工作减弱了他的热情。
5. these adjectives mean having or showing mental keenness
   这些形容词都表达具有或显示出思维的快捷性。