以前的冰块坚固结实，只是在边缘发生融化和再次冻结。现在冰层变薄，变脆，更易融化。

Formerly a solid mass that melted and refroze at its edges, it is now thinner, more fractured, and so more liable to melt.

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然而我们清楚的意识到，保护水资源，节约每一滴水，就是“为生命之源”加上一把枷锁，让它变的非常坚固。

However, we clearly realize that the protection of water resources, to save every drop of water, that is, "as the source of life" with a yoke, it has become very strong.

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