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The sea had eaten into the soft limestone cliffs on which they had been built.
海水已经侵蚀了他们建造出的软石灰岩峭壁。
youdao
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The water in this area comes from limestone cliffs and is crystal clear.
那里的水从石灰岩里留出来，特别清澈。
youdao
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The water in this area comes from limestone cliffs and is crystal clear.
那里的水从石灰岩里留出来，特别清澈。
youdao