potholer

potholer

1. The cave might never have been discovered had not the entrance been spotted by the distinguished French potholer,Berger.

如果不是被著名的法国洞穴勘探家柏杰看到,这个洞穴可能永远不会被人发现。

2. The cave might never have been discovered had not the entrance been spotted by the distinguished French potholer, Berger.

如果不是被著名的法国洞穴勘探家柏杰看到，这个洞穴可能永远不会被人发现。

3. It is impossible to give a satisfactory explanation for a potholer's motives.

对于洞穴勘探家的动机，不可能作出令人满意的解释。

4. French potholer, Berger, is a mania for cave exploration.

法国洞穴探险家伯杰是一位洞穴探险的狂热爱好者。

5. had not the entrance been spotted by the distinguished French potholer,Berger.

由于偶然的机会发现了洞口的话，这个洞也许永远不会为人所知。

6. Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the potholer .

这种谨慎是必要的，因为洞穴勘探家将要面临的困难的性质， 是不可能预见的。

7. Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the potholer.

这种谨慎是必要的，因为洞穴勘探家将要面临的困难的性质，　是不可能预见的。

8. Precautions of this sort are necessary,for it is impossible to foretell the exact nature of the difficulties which will confront the potholer.

这种谨慎是必要的，因为洞穴勘探家将要面临的困难的性质，是不可能预见的。