画一个平行四边形需要使用直尺和量角器。

Drawing a parallelogram requires a ruler and a protractor.

这里，用直尺勾画一座城！

Here, using a ruler to outline City!

标语这里，用直尺勾画一座城！

Here , using a ruler to outline City!

这是一把直尺，那是一块橡皮。

This is a ruler and that is an eraser.

她用钢笔和直尺在白纸上画线.

She lined the white paper with a pen and a ruler.

这个是她的直尺吗？—是的，它是。

Is this her ruler? —Yes, it is.

桌上有一支钢笔, 一把直尺和两本书.

There is a pen, a ruler and two books on the desk.

在胸部高度的位置, 用一把直尺量度干径.

At breast height, measure the trunk diameter by a ruler.

利用直尺和塞尺检查气缸头的结合面是否有变形。

Use the ruler and the feeler to inspect whether the joint surface of the cylinder head is deformed.

我卖掉了我们的剪刀，我们的直尺，换来的确是什么都没有改变！

I sold our scissors and our ruler, but the result is really nothing has changed!