He was hired to help sail flatboats loaded with supplies down the Sangamon River.

他受雇帮助在 Sangamon 河上航行装载补给品平底船。

Huck was sitting on the gunwale of a flatboat, listlessly dangling his feet in the water and looking very melancholy.

哈克坐在一艘平底船上，双脚在水中无精打采地晃来晃去，一副十分忧郁样子。

The immigrant once at Pittsburgh or Wheeling could then buy a flatboat of a size required for his goods and stock, and drift down the current to his journey's end.

曾经在匹兹堡或惠灵移民可以购买他货物和所需尺寸平底船， 然后顺流而下， 直到他旅程结束。

Pioneers, no matter from what section they came, when once they were on the headwaters of the Ohio and in possession of a flatboat, could find a quick and easy passage into all parts of the West and Southwest.

拓荒者，无论他们来自哪个区域，一旦他们到达俄亥俄河源头并拥有一艘平底船， 就可以快速轻松地进入西部和西南部所有地区。