例句與造句

1. There is a fixed ladder at the first boulder choke and climbing aids at the second boulder choke, but otherwise cavers need to provide their own tackle.
2. In the Ortobalagan Valley, the Ukrainian cavers made breakthroughs in Kuybyshevskaya Cave at  " 160 m and pushed it to by 1986 through a series of massive boulder chokes.
3. Blocked by a huge hanging boulder choke, the West Passage could not be explored as the choke was too dangerous to enter in its exposed position circa above the floor.
4. After the ladders a short crawl through a precarious boulder choke ( take care not to touch the scaffolding ) leads to a concreted climb down with a scaffold bar sticking out of it.
5. Moose and his team later went to this area of Peak Cavern via JH and arrived at the underside of an enormous boulder choke just a few metres from the upstream end of Far Sump.
6. It's difficult to find boulder choke in a sentence. 用boulder choke造句挺難的
7. He became trapped for 10 hours, but was freed after a major rescue effort . at the terminal sump beneath another large boulder choke, and the extension to this point was named " The Mayfly Extension ".
8. Members of the Reyfad Group ( including the aforementioned Rev . Pitt ) and the Irish Caving Club worked together to dig their way into passage leading to a underground shaft, with boulder chokes and crawls at its base.
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