Polygonation
利用导线来测量土地
🗣️ 情景例句
Well, thanks.
噢 ，谢了。
He is playing on the merry-go-round in the park.
他正在公园里骑旋木马。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。