The forward movement, the melting at the base of the glacier where it meets the ocean, and waves and tidal action cause blocks of ice to break off and float out to sea.

冰川的向前移动，其底部与海洋接触处的融化，还有波浪和潮汐运动，导致冰块断裂，漂浮到海上。

youdao

It seemed to him that the island trembled to its base, and that it would, like a vessel at anchor, break moorings, and bear him off into the centre of the storm.

他似乎觉得整个岛都在脚下颤抖，象一艘抛了锚的船在断缆以后被带入了风暴的中心。

youdao

In the 1990s, he moved from traditional skydiving to Base jumping, leaping off fixed objects and using a parachute to break the fall.

BBC: Profile: Skydiver Felix Baumgartner