upright board的意思|示意

It had a crazy board fence around it, which leaned inward in places, and outward the rest of the time, but stood upright nowhere.

坟地周围有一道歪歪斜斜的木板栅栏，有些地方往里倒，有的地方往外斜，总之，没有一个地方是笔直的。

You can either use a table and prop your board somewhat or an upright easel.

您能或使用表和扶植，或一个挺直画架。

You can either use a table and prop your board somewhat, or an upright easel.

您能或使用表和扶植，或一个挺直画架。