penumbra
音标发音
- 英式音标 [pəˈnʌmbrə]
- 美式音标 [pɪˈnʌmbrə]
- 国际音标 [pi'nʌmbrə]
- 英式发音
- 美式发音
基本解释
- n.半阴影；边缘部分
英汉例句
- A penumbra of doubt surrounds the incident.
疑惑的阴影笼罩着该事件((真相不明)). - In additional, the luminance step is applied to detect the penumbra.
另外, 提出了亮度步长的方法来检测阴影中的半影. - Traditionally, the word wangliang has three different meanings penumbra and elf.
“罔两”一词历来向有“无据依”、“景外微阴”及“精怪”三义. - The First Amendment has a penumbra where privacy is protected from governmental intrusion.
第一修正案在个人隐私不受政府侵犯方面较为模糊. - A penumbra of doubt surrounds the incident.
疑惑的阴影笼罩着该事件((真相不明)).
词组短语
- penumbra cone [天]半影锥;半影锥
- penumbra region 半影区
- image penumbra 图像模糊
- penumbra trimmer 半影调节器;半影调整器
- penumbra overture 半影序曲;硬盘版;序曲
短语
英英字典
- the part of a shadow, especially one made by something blocking the sun, in which only part of the light is blocked
- A penumbra is an area of light shadow.
剑桥英英字典
柯林斯英英字典
专业释义
- 半暗带
The infarction lesion is made up of central necrosis and peripheral penumbra .
梗死病灶系由其中心的缺血中心区和其周围的缺血半暗带组成。 - 半影区
HBO can also accelerate the regeneration of capillary and the foundation ofcolleteral circulation,and therefore,protect the neurons in ischemic penumbra surrounding the injury region.
高压氧还能加速毛细血管再生，促进侧支循环建立，保护损伤病灶周围“缺血半影区”的神经细胞。 - 半影
- 半阴影
- 半影
- 半阴影
- 半影
- 半影
- 半影