The boat set sail from an island in northern Lake Michigan.

VOA: special.2009.11.11

So, in a sense, it says, you know, if you wanted to build a boat that took energy out of the warmth of the air to sail around the world, you can do that.

因此，某种意义上说，它宣称如果你想要造一艘船,通过从空气中获取热量,这是可以做到的。

麻省理工公开课 - 热力学与动力学课程节选

Rudolf tried to sail his boat into the calm place.

VOA: special.2010.05.08

I wish we had a sail, he said, to give you two boys a chance to rest. So they used his coat and one of the oars to make a sail and the boat moved much more quickly.

VOA: special.2010.03.06