penumbra 在《牛津英西词典》中的词汇

词条penumbra在英语»西班牙语中的译文 (跳至 西班牙语»英语)

penumbra <pl penumbras or penumbrae [-briː]> [美 pəˈnəmbrə, 英 pɪˈnʌmbrə] 名词

词条penumbra在西班牙语»英语中的译文 (跳至 英语»西班牙语)

penumbra 在《PONS词典》中的词汇

词条penumbra在西班牙语»英语中的译文

到英语_美式英语

单语范例（未经PONS编辑处理）

英语
If two penumbras overlap, the shadows appear to attract and merge.
en.wikipedia.org
There was, however, a penumbra relating to money payments in which imprisonment could be used in appropriately defined circumstances.
en.wikipedia.org
An alternative definition is that the penumbra is the region where "some or all" of the light source is obscured (i.e., the umbra is a subset of the penumbra).
en.wikipedia.org
Observing the variation in width of the penumbra of a sunspot near the limb, he concluded the sunspots were depressions in the generally spherical photosphere.
en.wikipedia.org
It is believed that mitochondria play an essential role in the metabolism of astrocyte energy within the penumbra of ischemic lesions.
en.wikipedia.org
These images have allowed vision into the brain to see the areas of tissue that may be salvaged, the penumbra.
en.wikipedia.org
This viable area has the ability to regenerate with the help of pharmacological treatment however most patients with penumbra are left untreated.
en.wikipedia.org
The lunar shadow would be divided into two area, the umbra and the penumbra.
www.ibtimes.com.au
Co source is about 2 cm in diameter and as a result produces a geometric penumbra, making the edge of the radiation field fuzzy.
en.wikipedia.org
These three centuries are characterized by acts of war of conquest times and the historical penumbra colonial times.
en.wikipedia.org

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