The children get to work rolling sheets of paper into tubes, before adding pointed paper tips and fins.
孩子们开始将纸卷成管子，然后添加尖头纸尖和鳍。
英语百科
Worksheet
（重定向自Work sheet）
Worksheet commonly refers to a sheet of paper with questions for students and places to record answers. The term may also refer to a single array of data in spreadsheet software or an informal piece of paper that an accountant uses to record information.
英英词典
work sheet n.
a sheet of paper with multiple columns; used by an accountant to assemble figures for financial statements
synonymous： worksheet
a piece of paper recording work planned or done on a project