旗杆的英文：
mast

参考例句：

Rear a flagpole.
竖起一根旗杆。

The best squadron in each wing won a yellow pennant on a pole that was utterly worthless
各联队名列第一的中队都获得一面挂在旗杆上的黄色三角旗，这玩意一点价值也没有。

Raise a flagpole.
竖起旗杆

The gale blew down the flagstaff.
狂风把旗杆吹倒了。

The flagpole has been shot off.
旗杆被打断了。

The ground was horizontal to the flagpole.
旗杆直竖在地面上。

fixed the flagpole in concrete
用混凝土固定旗杆

A lantern hung from a flagpole/high and Bright
旗杆上挂灯笼,高明

The flan was elevated/raised from half-mast to the top of the mast
旗子从旗杆中部升到了杆顶。

There is a flagpole broken by wind on the building
大厦上有个被风折断的旗杆。

mast是什么意思：
n. 桅杆；杆；橡树果实
v. 在…上装桅杆

To remove(a mast) from a step.
从桅座上取下（桅杆）

A pennant lolled from the mast.
信号旗松散地从桅杆上垂下来

You will have to go forward of the mast.
你必须向船头走去。

The mast was bent during the storm.
桅杆在风暴中变弯了。

The flan was elevated/raised from half-mast to the top of the mast
旗子从旗杆中部升到了杆顶。