Sea level rises, though by how much is hard to say (see chart 2).

海平面会上升，上升多少很难说(参见图2)。

youdao

But the golden goose is showing its age: North Sea production peaked in 1999 and has since been falling faster than all but the gloomiest foresaw (see chart 3).

可是“金鹅”已显老态：1999年北海产量达到顶峰，然后急速下降，降速超过最悲观的预测(见表3)。

youdao

They tried to chart the sea area between Norway and Denmark.

他们企图绘制挪威与丹麦之间的海域图。

youdao

Tunisia still has to chart a path for its new constitution between looking out across the sea to Europe, or turning towards its Arab Muslim neighbours.

BBC: Tunisia election: Loving and loathing Islamists

But the North Sea's declining production can no longer be relied upon to meet demand (see chart).

ECONOMIST: Natural gas