Shanghai is sinking by 1.5 centimetres a year.
上海每年下沉1.5厘米。
The Pacific plate is moving very slowly-at 5.3 centimetres a year.
太平洋板块移动得很慢——每年才移动5.3公分。
Just off its coast is the Nazca plate, which rests below the south-eastern Pacific Ocean and slides beneath the South American tectonic plate by some 9 centimetres a year.
智利的海岸线外是纳斯卡板块，它位于太平洋的东南方下面，以每年9厘米的距离向南美板块下俯冲。
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