
好词典

源自中古英语 'sharpnesse',由 'sharp'(锋利的)加后缀 '-ness'(表示状态或性质)构成。
❶ 指物体边缘或尖端锋利、不钝的特性,常用于描述刀具、工具等。
“The sharpness of the knife makes it easy to cut vegetables.”
(这把刀的锋利度让切菜变得很容易。)
“He tested the sharpness of the scissors by cutting paper.”
(他用剪纸来测试剪刀的锋利程度。)
❶ 指图像、声音或思维的清晰度和敏锐度,常用于描述视觉、听觉或智力表现。
“The sharpness of the photo impressed everyone.”
(照片的清晰度让所有人都印象深刻。)
“High-definition TVs enhance the sharpness of the images.”
(高清电视提高了图像的清晰度。)
visual sharpness — 指视觉上的清晰度或锐度,常用于描述显示器、照片或视力。
“The new glasses improved his visual sharpness significantly.”
(新眼镜显著提高了他的视觉清晰度。)
mental sharpness — 指思维的敏锐和清晰,常用于描述人的智力或反应能力。
“Regular exercise can help maintain mental sharpness as you age.”
(定期锻炼有助于在年老时保持思维的敏锐。)