The earth's darker inner shadow is known as the umbra, and the lighter outer one is called the penumbra.
地球内部较暗的阴影被称为本影，较浅的外部阴影被称为半影。
| 单词 | inner shadow |
| 释义 |
inner shadow
原声例句
CNN 听力 2022年6月合集 The earth's darker inner shadow is known as the umbra, and the lighter outer one is called the penumbra. 地球内部较暗的阴影被称为本影，较浅的外部阴影被称为半影。 美国历史频道纪录片《宇宙》 But travel to a spot within the path of the dark inner shadow, called the umbra, and you'll experience the majesty of a total eclipse. 然而如果你进入到阴影的里层部分-“本影”，你将体验到雄伟壮观的日全食。 |
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