English translation for "penumbra"

[ pi'nʌmbrə ] 
n.
(pl. -brae , penumbras)
1.【物理学】半影，黑影周围的半阴影。
2.(绘画中)画面浓淡相交处。
3.【天文学】太阳黑子周围的半暗部；(星面部的)阴影。
adj.
-bral

Example Sentences:

	1.	This includes the continuous survey of umbra and penumbra of the sunspot . 这包括对太阳黑子本影和半影持续的观测。
	2.	His fellow workers called him el penumbra . " the shadow . 他的朋友们管他叫"影子.
	3.	" moon leaves penumbra " - when the moons leaves the penumbra 月球离开半影时，称为半影食终
	4.	Expression of aquaporin - 4 in ischemic penumbra tissues 缺血半暗带组织中水通道蛋白4表达的初步研究
	5.	Destruction : the staff must be thrown into the star at penumbra ' s hub 摧毁：必须将该杖扔进恒星的半影中心。
	6.	" moon enters penumbra " - the first contact of the moon and the earth s penumbra 月球刚刚和半影接触时称为半影食始
	7.	Moon leaves penumbra 半影食终
	8.	Moon enters penumbra 半影食始
	9.	Moon enters penumbra : instant of first external tangency of moon with the penumbra 半影食始：月球刚刚和半影接触，这时肉眼觉察不到。
	10.	Moon leaves penumbra : instant of last external tangency of the moon with the penumbra 半影食终：月球离开半影，整个月食过程正式完结。

Similar Words：

"penumatic flush tank" English translation, "penumatic rammer" English translation, "penumatic tube dispatch system" English translation, "penumatics" English translation, "penumatics structure" English translation, "penumbra area" English translation, "penumbra cone" English translation, "penumbra field" English translation, "penumbra region" English translation, "penumbra trimmer" English translation