I tried, and found by experiment that the tide kept sweeping us westward until I had laid her head due east, or just about right angles to the way we ought to go.

• 于是我继续坚持下去，试验了一下后发现，潮水正将我们推向西方，但我可以将船头对准东方避开潮水。 不过，这样一来，船头与我们应当去的方向恰好成直角。