Participants were asked to remember what they had eaten the previous day, known as a 24-hour recall.

参加调查者被询问了在过去一天在所吃的食品，也就是所谓的24小时回溯。

youdao

Participants were asked to remember what they had eaten the previous day, known as a 24-hour recall.

参加调查者被询问了在过去一天在所吃的食品，也就是所谓的24小时回溯。

youdao