The rise and fall of the sea is governed by the movements of the moon.

海水的潮起潮落是受月球运动的影响。

youdao

The periodic rise and fall of the sea level under the gravitational pull of the moon.

由于月亮的重力引力所引起的海平面的周期性的涨落。

youdao

The remains (残骸) can last (持续) for ten years and build an ecosystem called a whale fall an "oasis (绿洲) " of life in the deep sea.

这些残骸能够维持十年，构建出一个生态系统，将鲸的沉尸作为深海生物的一片“绿洲”。

youdao

If it had been an independent country over the past decade, with a geographical share of oil and gas revenues, the impact of the recent fall in North Sea output on Scotland's tax revenues and overall economic growth would have been more dramatic.

BBC: Scotland: Treasury wants a pound for a pound

Hawk, on top of seal, on top of deer, on top of human: a simple cairn at the rivermouth, marking my sea fall and the end of my walk.

BBC: England��s ghostly South Downs Way

It also led to a smaller volume of fertile floodwater entering the Mediterranean Sea, which in turn produced a sharp fall in the number of fish being landed by Egypt's fishermen.

BBC: Egyptian farmers (Getty Images)