它的主题是“火”；在明亮的火光下，西昌夜晚的天空和白天一样明亮。

Its theme was "fire"; at night the sky over Xichang was as bright as that in the day with the light fire.

youdao

在化学中，它的主题是爆炸是如何发生的。

In chemistry, the subject is how explosions happen.

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然而，它的主题和在其他虚构作品中的位置使这一章既奇特又引人注目。

Nevertheless, its topic and placement in an otherwise fictional work make the chapter as remarkable as it is strange.

youdao

With this first poem treating the subject of the nativity of Christ, Milton is able implicitly to announce something like his own nativity as a poet.

因为它的主题是基督诞生，弥尔顿能够含蓄的宣告一些东西,比如他作为一个诗人从此诞生了。

耶鲁公开课 - 弥尔顿课程节选

Student: The beauty of the language and symmetry, the sentence structure, the word choice: I guess going away from the theme, more of just the language.

语言的优美和对称，句子结构，选用的词：,我想除开主题，我更喜欢它的语言。

耶鲁公开课 - 1945年后的美国小说课程节选

So, we have this beautiful theme here and as we listen to this next presentation, where has the theme, or melody, gone?

那么,我们有了一段美妙的主题,而且,根据它下一次的呈现,这段主题,或旋律去了哪里

耶鲁公开课 - 聆听音乐课程节选