Polygons
多边形
🗣️ 情景例句
Please declare anything you're unsure of.
申请报告有你没太明确是否需要申报的东西。
Which one is cheaper?
哪一个是较便宜的？
After the War of Independence ended, New York became the capital of the USA for a short time (1789-90) before Washington, D.C.
独立战争结束以后，在华盛顿成为首都之前，纽约市曾经一度是美国的首都，不过时间很短（1789-90）。