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umbra

英['ʌmbrə] 美['ʌmbrə]
  • n. 影;本影;蚀时的地球
umbral umbras

详细释义

Noun:
  1. a region of complete shadow resulting from total obstruction of light

双语例句

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.

来自辞典例句

2. This is a lighter area between the umbra and the edge of a shadow.
这是本影和阴影边缘之间较亮的区域.

来自辞典例句

3. Only moon umbra totally puts on earth, the shadow area can watch the eclipse.
唯有在月球的本影投影在地球表面时, 在该区域的人才能够观测到日食.

来自互联网

4. Umbra - You need Samples values equal to or greater than 2 to see any influence of this button.
日蚀 - 采样值必须不小于2,查看该按钮的任意想过.

来自互联网

    用作名词 (n.)
    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. It is the custom that aged or infirm Striders make a final journey into the Umbra, never to return.
      年老或者衰弱的漫游者会根据传统最后一次出发去影界,一去不归。
    3. This is a lighter area between the umbra and the edge of a shadow.
      这是本影和阴影边缘之间较亮的区域。
    4. Shaped like a cone extending into space, the umbra has a circular cross section that can be most easily seen during a lunar eclipse.
      本影就像一个圆锥一样延伸在空间中,当月食发生时,它很容易被看到。

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