permanent marker

US /ˈpɜːr.mə.nənt ˈmɑːr.kər/
UK /ˈpɜːr.mə.nənt ˈmɑːr.kər/
"permanent marker" picture
1.

記號筆, 永久性記號筆

a type of marker pen that writes on surfaces in a way that cannot be easily removed

:
Be careful not to write on the table with a permanent marker.
小心不要用記號筆在桌子上寫字。
I need a permanent marker to label these boxes.
我需要一支記號筆來標記這些盒子。