If steel is heavier than water, why are ships able to float on the sea?
如果钢比水重，为什么船能在海上漂浮？
2
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。
3
If steel is heavier than water, why are ships able to float on the sea.