Railroading
n. 铁路修筑, 铁路经营
🗣️ 情景例句
Stop being so moody.
不要这么喜怒无常。
Close your book,please.
请把书合上。
The first settlers on the plains of America were Native Americans.
美洲平原上的首批定居者是美洲土著人。