Potomac
n. 波拖马可河（美国河名）
🗣️ 情景例句
saying he was going to the railroad station
说他要去火车站
Thanks a lot.
多谢。
Sure enough, Rastus arrived punctually at seven o'clock that evening.
果然，当天晚上7点正，拉斯特斯准时回来了。