这张纸厚几毫米。
This paper is a few millimeters thick.
millimeter
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
这张纸厚几毫米。
This paper is a few millimeters thick.
两张纸相差几毫米。
The two papers differ by a few millimeters.