Grace had long straight dark hair which she wore in a bun.

格雷斯有一头又长又直的黑发，她把它盘成了一个发髻。

《柯林斯英汉双解大词典》

youdao

My cousin Lily has long straight hair.

我的表妹莉莉有一头长长的直发。

youdao

Another popular type, the quill mum,has long, straight petals like a tube or needle.

VOA: special.2010.06.29

There was the delight I caught in seeing long straight rows of red and green vegetables stretching away in the sun to the bright horizon.

当我看到一排排红的绿的蔬菜,在阳光下延伸得又直又长,直到闪耀的地平线上。

耶鲁公开课 - 1945年后的美国小说课程节选

The way we're going to model differentiated products is to imagine, just to take a simple example, imagine a city and this city has one long straight road through it.

我们建立差异产品模型的方法,想象一下,举个简单的例子,想象一个被一条直路贯穿的城市

耶鲁公开课 - 博弈论课程节选

The hornbill cackles, and white Xs on the faces of oryx, with their three-foot long straight spike horns, can be glimpsed through the acacia branches.

FORBES: Notes From A Distant Node

"While the changes have been great, the long straight is still there, so the character of the circuit is still there, " said the German.

BBC: Mount Fuji towers over the renovated circuit

So we set off down the long straight road across California and Nevada with two GoPros fixed outside the car, and the Canon Digital SLR fixed to the dashboard.

BBC: Cameras to capture a road trip