We operate three marinas and six boat houses in the Washington metropolitan area, all on the Potomac River.

我们在华盛顿大都会地区经营着三个码头和六个船屋，全部位于波托马克河上。

There's also a boat house where you can rent row-boats or paddle-boats.

还有一个船库，您可以在那里租用划艇或明轮船。

I promised to hike up with him to the old boat house.

我答应带他到旧船屋。