When the Hawaiian Islands emerged from the sea as volcanoes, starting about five million years ago, they were far removed from other landmasses.

当夏威夷群岛从大约500万年前开始以火山的形式出现在海面上时，它们远离其他陆地板块。

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Unlike Oceanic islands that were once part of continental landmasses, islands formed by such geological processes as volcanism contain only plants and animals that could be transported there.

与曾经是大陆性陆地的一部分的海洋岛屿不同，由火山作用等地质过程形成的岛屿只包含可以被运输到那里的动植物。

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Its oceans swelled, covering the landmasses, forcing the native Kaminoans to adapt.

其海洋膨胀，覆盖大陆，迫使原住民卡米诺人适应新环境。

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The first pictures of Earth taken from space showed a solid ball covered by brown and green landmasses and blue-green oceans.

VOA: special.2011.01.04

As our ship drew closer to the islands, we could see lunar landmasses with no vegetation and rocky brown soil.

BBC: A wild world off California's coast

But rising temperatures could have the opposite effect at the edges of both landmasses, causing rates of melting to increase.

BBC: NEWS | Science/Nature | Polar ice sheets show net loss

Twelve of these 14 are our allies, and the other two, China and Russia, who might (or actually might not) be cast as adversarial, have vast landmasses to protect and certainly cannot afford to pick an all-out fight with a far better-armed nation.

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