markers
A marker is an object which is used to show the position of something, or is used to help someone remember something.
He put a marker in his book and followed her out.
他在书里夹了一个书签,就随她出去了。
A marker or a marker pen is a pen with a thick tip made of felt, which is used for drawing and for colouring things.
Draw your child's outline with a heavy black marker or crayon.
用浓黑色的记号笔,毡笔或蜡笔画出你孩子的轮廓。