steamboating'stiːmbəʊtBNC²³⁶²¹³⁺¹ 基本例句 n.汽船;轮船;汽艇原型steamboat的现在分词 The definitive work on steamboating on the Ohio and Mississippi Rivers. Be forewarned, however, it is a big book! Originally published in1949. 关于俄亥俄和密西西比河轮船的权威性著作。但要注意,这是一部大书。最早出版于1949年。140.138.2.232