“我来算算看，”他说，“我差不多已游了一小时了，我是逆风游的，速度不免要减慢，但不管怎样，要是我没弄错方向的话，我离狄布伦岛一定很近了。

• however, if I am not mistaken, I must be close to Tiboulen. But what if I were mistaken?"A shudder passed over him.