This is the 3470th most frequent Chinese word.
撰写
To compose or write.
Here, '撰写' is used to mean 'writing or composing' with a focus on formal or structured content.
他正在撰写一篇关于环境保护的文章。
He is drafting an article about environmental protection.
In this sentence, '撰写' conveys the act of authoring or co-authoring a formal document or publication.
这本书是由几位专家共同撰写的。
This book was jointly authored by several experts.
Here, '撰写' emphasizes the systematic and detailed process of composing an academic thesis.