So they got as much stout canvas as would make a double covering for their little skiff; and, in order to make it watertight, they first soaked it in tallow, and then covered it with pitch.

所以他们找到了尽可能多的粗糙的帆布双层覆盖着他们的小划艇。为了让它不漏水，他们先把它浸泡在油脂里，然后又涂了一层沥青。