Select both column headers (hold down Ctrl), right-click on the selected headers and choose Delete from the context menu.

选择这两个列的列标题(按住Ctrl)，在选择的标题上单击右键，并从上下文菜单中选择Delete。

youdao

In my next column, I'll talk about the two cardinal rules for the cautious slowdown investor: hold down costs and diversify.

在下次专栏文章里，我将来谈谈对于谨慎的经济放缓下的投资者的两条主要原则：压低成本，多元化。

youdao

We ought to hold the column and make the aircraft nose down to accelerate with full poser before reach to the stall speed.

这时候要求我们稳定的控制操纵，并且在速度减小到失速速度之前使飞机低头，在满油门的情况下加速。

youdao