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。

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.

youdao

这一区域的独特之处在于它的海域受到保护，且其潮汐运动不规律。 为了使比赛不受风向和潮汐的影响，比赛的航程通常在比赛当天才能决定。

The area is characterised by its sheltered waters and unusual tidal conditions, so course layouts often have to be decided on the day of the race to suit the prevailing wind and tide conditions.

youdao

就像关注你自己的运动和呼吸那样，去感受大海的运动和声音，体会如何与潮汐的节律相谐调。

You can sense the movement and sounds of the ocean .... As you also notice your movements and breathing ....

youdao