And it would only take a small corner of this to slide into the sea每次崩裂的只是冰原一角，不知不觉陷入大海。

slide into:不知不觉地陷入

We mustn' t slide into complacency.

我们决不可产生自满情绪.

Be careful not to slide into a bad habit.

当心不要不知不觉地就染上坏习惯。

We've seen that the animals are already adapting to these changes,我们看见动物已经在适应这些变化。

adapt to:适应
The new students are very slow to adapt to the rules.

新生对于那些规定适应得很慢。

You must adapt to the norms of the society you live in.

在社会中生活就要遵循社会行为准则。

And the melting ice sheets could contribute to a sea level rise of a metre,到本世纪末，融化的冰原能使海平面上升一米

contribute to:导致

Does smoking contribute to lung cancer?

吸烟会导致肺癌吗?

This new discovery will contribute to all humanity.

这个新发现将对全人类作出贡献。