请拿起两个套环，合拢双手。

Pick up both loops, and bring hands together, please.

youdao

请拿起一本书。

Please take (up) a book.

youdao

Now, if you guys are using your computer or you have a pen, I'd just like you to write down what your estimates are of a few foods I'll show you and see what you say.

使用你们的电脑,或者拿起支笔,请写下对以下我展示的一些食物,卡路里的估测,让我们看看结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选