series of positive terms

例句：

1. 1. The series of books is due to be published next month.
   这一系列书籍将于下个月出版。
2. 2. The scientist conducted a series of experiments to test the hypothesis.
   科学家进行了一系列的实验来测试这个假设。
3. 3. The artist created a series of paintings depicting nature scenes.
   艺术家创作了一系列描绘自然场景的画作。