Tetrapolis
n. 四城镇(组成的)地区,四城镇(组成的)城邦, 四城镇行政区
🗣️ 情景例句
and a book of photos about the United States still feels right.
而一本关于美国的摄影集仍然很有前景。
It's up to you.
由你决定。
The third item has been omitted.
第三项目漏掉了。