Periodic Table, Table of Constants, and you are allowed an aid sheet, an 8-1/2 by 11 sheet of paper.

元素周期表，常数表，你允许带帮助表格，一个8-1/2乘11的纸。

麻省理工公开课 - 固态化学导论课程节选

Whereas in other classes you might be allowed to bring one sheet of paper,

而有些课的考试只允许带一张纸开卷，

考试应该这么准备 - SpeakingMax英语口语达人

Now hopefully you're keeping a sheet of paper with you and you're writing down what you eat so you don't forget everything, and then you sit down at your computer at the end of the day and you log it all in.

希望你们可以随时带张纸,以便随时记下,吃的东西以防忘记,然后坐在电脑前,在一天结束时输入电脑

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选