spacing current

例句：

1. 1. The teacher explained the concept of spacing in his lecture.
   老师在他的讲座中解释了空间的概念。
2. 2. The book has a generous spacing between chapters.
   这本书的章节之间间隔得很宽。
3. 3. The artist used different spacing techniques to create depth and interest in her paintings.
   艺术家使用不同的间隔技巧来在她的画作中创造深度和兴趣。