penumbra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.

• #penumbra