The horizontal axis represents temperature.

竖轴表示温度。

Sadly, his horizontal axis proved too long.

可悲的是，事实证明他的横轴画得太长。

Horizontal axis: Gross profit (GP) margin percentage.

水平轴：毛利润(GP)所占总利润的比例。

The horizontal axis was then divided into 15 spaces.

在横坐标轴上等分成15个格。

Instead, I could skewer it through, say, the horizontal axis.

也可以让横轴穿过它。