They start as part of a headland or sea cliff connected to land. Smashing waves erode the softer rock, leaving harder rock behind in the form of sea stacks.

它们开始时作为岬角和海崖的一部分与陆地相连，海浪粉碎地侵蚀了较为脆弱的岩石，而把较硬的岩石留在所形成海栈的后面。

youdao

By drilling and fracturing the rock they believe they can start a process to increase the absorption rate by 100,000 times or more.

他们相信借助于钻孔和破碎岩石，他们可以创造一个把二氧化碳吸收率提高100000倍或更多的进程。

youdao

Expect a beginner to start with rock.

期望初学者以石头开始。

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But the suggestion was lost on the older teenage cleaners, who raced up the mountain to start rock climbing and repelling.

VOA: standard.2010.04.01

When Gongaware warned Dr. Finkelstein, who the brief described as his "close friend, " not to become Jackson's "Dr. Nick, " he was "warning me, you know, don't get all infatuated where you start administering meds to a rock star and have the rock star overdose and die on you, " Dr. Finkelstein testified.

CNN: Elvis' ghost haunts Michael Jackson death trial

Further into Epiros, the architectural wonders of the Egnatia Odos start to come to life, with tunnels disappearing for miles into solid rock and the inevitable danger signs flashing over the roads zigzagging the cliff-tops.

BBC: Driving Greece's modern ancient highway, the Egnatia Odos

We want to help destroy rock 'n' roll and we want to start this new sound and vision.

NPR: The '80s Strike Back: Devo's Mark Mothersbaugh