Wave action and the digging of nearby horseshoe crabs disturb many of the egg clusters, bringing them closer to the surface.

波浪作用和附近的马蹄蟹的挖掘，使一些卵群更接近沙滩表面。

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During a protracted period when Lake Suguta was overflowing into Lake Turkana, wave action carved notches and terraces into these fossil shorelines.

在苏加塔湖溢流向图尔卡纳湖的长期过程中，波浪作用在这些曾经的湖岸线上刻蚀出槽口和台阶形痕迹。

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It's protected by an offshore reef and jetties from the boat harbor, so it doesn't really get any wave action.

由于近海礁石和海港码头的防波提保护，几乎没有任何海浪活动。

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Seawall: massive structure built along the shore to prevent erosion and damage by wave action.

UNESCO: L O S S A R Y

Piers, jetties and seawalls with a protective layer of marine growth absorb wave action better.

FORBES: Women Show Construction Industry How to Rebuild Better, Stronger

The electricity generators operate like wind turbines but with blades driven by tidal wave action.

BBC: ?70m tidal power scheme off Anglesey wins approval