vertical
单词辨析：
指与平面、水平线成 90 度角的，也可指沿此方向上升或下降的。
What does the vertical axis of that graph represent?
那个图的纵轴代表什么？
They used to go to a gorge lined with vertical cliffs.
他们以前常去一个峭壁林立的峡谷。
What does 'vertical drop' mean in skiing?
滑雪中的“垂直落差”是什么意思？
强调笔直挺拔的，而不是倾斜、弯曲或倒塌的。
an erect pine
挺拔的松树
hold oneself erect
保持姿势挺直
A waiter stood erect beside their table.
一名服务生在他们餐桌旁笔直地站着。
指站或坐得笔直的，也指处于竖直方向的。
He sat upright behind the desk.
他挺直地坐在课桌后。
If you have to carry this bottle of paint with you, then you'd better keep it upright.
如果你非要带着这瓶颜料的话，你最让它保持直立。
相关例句：
The gadget can be attached to any vertical surface
这小玩意儿可以粘在任何垂直表面上。
First, you draw the horizontal and vertical axes.
首先，绘制水平和垂直轴线。
This works about as expected: Adjusting the vertical slider changes the range of the horizontal slider.
这大致按预期的那样工作：调整垂直滑块改变了水平滑块的范围。
The first well had a deviation of1.7 degrees from the vertical.
第一口井井斜是一点七度。
Pluto seems to have suffered a major collision that tipped it 122 degrees from the vertical.
冥王星似乎受到过严重撞击，倾斜了122度。
As long as the verticals align, the design will look regular.
只要所有垂直面在一条线上，图案看起来就会很整齐。