youdao

They planted a flag on the summit.

他们在山顶上插了一面旗子。

《牛津词典》

The ship is flying a flag.

这艘船悬挂着一面旗帜。

youdao

The three men said they had done nothing but help put up a flag.

VOA: special.2010.05.31

Well, you can specify what's called a switch or a flag.

你们可以为它们指定开关或标志。

哈佛公开课 - 计算机科学课程节选

But just so you've been teased with them, "-ggdb" is a flag that's going to enable what are going to be called "debugging symbols."

但是你们刚才被他们忽悠了，“-ggdb“是用来使能“调试标志“功能,的一个标记“

哈佛公开课 - 计算机科学课程节选

Even companies that few would consider high-tech were eager to plant a flag in wearable computing.

WSJ: For Wearable Computers, Future Looks Blurry

It is the fifth time the National Trust has been awarded a flag for Portstewart Strand.

BBC: NI beaches 'quality' flagged

They point to signs of a flag fluttering in the wind in one of the photographs.

ECONOMIST: A possible explanation for conspiracy theories