那艘船撞上了一座冰山。

The ship hit an ___iceberg.

可以看到成千上万的企鹅在那座冰山上。

Thousands of penguins can be seen on the ___iceberg.

科学家正在研究气候变化如何影响一座冰山的融化速度。

Scientists are studying how climate change affects the melting rate of an ___iceberg.