Located on the Tigris River, southeast of modern Baghdad, it was first a Greek army camp opposite the Hellenistic city of Seleucia, with which it was the capital of Parthia in the 2nd century BC.是什么意思_Located on the Tigris River, southeast of modern Baghdad, it was first a Greek army camp opposite the Hellenistic city of Seleucia, with which it was the capital of Parthia in the 2nd century BC.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句