The exhibits in the museum are structured like the many little threads of a spider web, with each str（）adding to the larger picture.（请根据字母提示填入正确的单词；填写答案时需填入完整的单词。）

The exhibits in the museum are structured like the many little threads of a spider web, with each str（）adding to the larger picture.（请根据字母提示填入正确的单词；填写答案时需填入完整的单词。）
正确答案：strand