annual variability of sea levels 海平面年变率
Interglacial sea levels 上个间冰期的海平面
tidal sea-levels 潮汐水位
rise in sea levels 海平面上升
Sea Levels May Rise 海平面可能会上升
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N-UNCOUNT Sea level is the average level of the sea with respect to the land. The height of mountains or other areas is calculated in relation to sea level. 海平面
The stadium was 5,000 feet above sea level.
该体育场海拔5000英尺。
The whole place is at sea level.
整个地区与海平面持平。
Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea.
下降了的海平面使白令海底的浅大陆架露了出来。
Ice sheets retreated and sea levels rose.
冰盖消退，海平面上升。
But scientists disagree about how much sea levels could rise if Antarctica's ice sheets continue to melt.
VOA: special.2009.06.03
They formed little by little tens of thousands of years ago when sea levels dropped.
VOA: special.2010.11.10
For example, the ancient city of Venice,Italy has long been threatened by rising sea levels.
VOA: special.2009.04.22
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