The delicate white tufa towers formed where freshwater springs percolate up from the bottom of the lake.

柔和、白色的钙华塔形成于淡水泉从湖底渗透出来的地方。

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Look for this case, or one like it, to percolate up to the Supreme Court.

FORBES: Court Decision Gives Lenders A Headache, Borrowers An Ace In The Hole

Google has been keeping the pipeline of innovation going by tapping its employees and letting ideas percolate up, Bock said.

FORBES: Google's Secrets Of Innovation: Empowering Its Employees

The team said it used a small drill to penetrate the last metres of ice and immediately withdrew it, allowing the lake water to percolate up and create a frozen plug that the team will collect next year.

BBC: 'New frontier' of Antarctic lake exploration