Try binoculars and compasses, too.

也可以用双筒望远镜和罗盘。

Will you get me a pair of compasses?

请给我买一副圆规好吗？

Will you get me a pair of compasses?

如果你有一副圆规，就很容易画一个圆。

I bought a pair of compasses in the shop.

我在这家商店买了一副圆规。

Now we begin to draw a circle with compasses.

现在我们开始用圆规画一个圆。