划出指定的区域或准备一个盘子，加以标记，比如说用一张报纸。

Set up a specific area or tray and use a marker like a piece of newspaper.

youdao

划出指定的区域或准备一个盘子，加以标记，比如说用一张报纸。

Set up a specific area or tray and use a marker like a piece of newspaper.

youdao