Planimegraph
面积比例规
🗣️ 情景例句
That's the deal.
这是交换条件。
A little labour,much health.
适量的劳动大有益于健康。
Sorry. It's at home. But you can buy one in the shop.
对不起，我的格尺在家里。你去商店里买一个吧。