steamboat

No doubt Twain understood, too, that one might liken this kind of social observation to piloting a steamboat on a wild river.

毋庸置疑，马克·吐温也知道，有人可能会想到进行这类社会观察如同在凶险的河流中引导汽船航行。

Before the project could be completed, however, Downing died in a steamboat accident on the Hudson; he was just thirty-six.

但在这个项目完成之前，当宁便死于哈德逊河上的一次蒸汽船事故，年仅三十六岁。