Definition
to delineate the shape or position of an object by encircling it with a line
繪出；標示出
The teacher marked out the key points of the lesson on the blackboard.
老師在黑板上標示出課程的重點。
They marked out the route for the trip on the map.
他們在地圖上標出了旅行的路線。
For safety reasons, warning signs should be marked out around the construction area.
為了安全起見，應該在施工區域周圍標示出警告標誌。