听讲座时，你可以边听边记下你的问题，并在问答环节询问演讲者。

When you listen to a lecture, you can note down your questions while listening, and ask the lecturer in the Q&A session.

youdao

研究人员将这些参与者与2700多名没有玩任何益智游戏，但用相同时间上网并参与普通知识问答的人作对比。

They were compared to more than 2,700 people who didn’t play any brain games, but spent a similar amount of time surfing the Internet and answering general knowledge questions.

youdao

研究人员将这些参与者与2700多名没有玩任何益智游戏，但用相同时间上网并参与普通知识问答的人作对比。

They were compared to more than 2, 700 people who didn’t play any brain games, but spent a similar amount of time surfing the Internet and answering general knowledge questions.

youdao