这两条线垂直。
These two lines are perpendicular.
perpendicular; vertical
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.
这两条线垂直。
These two lines are perpendicular.
墙和地面垂直。
The wall is perpendicular to the ground.