名词
中文翻译：主题
同义词：
['subject', 'topic', 'theme', 'subject matter']
例句：
-
1. The lecture focused on the importance of environmental protection as its theme.
这次讲座的主题是环境保护的重要性。
-
2. The play is based on a true story and has been adapted into several films with different themes.
这部戏剧是基于真实故事改编的，已经被改编成几个不同主题的电影。
-
3. The teacher asked us to choose our own theme for the presentation.
老师让我们选择自己的主题来展示。