frozen credits

例句：

1. 1. The ice on the lake has turned to a frozen sheet.
   湖上的冰已经变成了一块冻硬的板。
2. 2.The food was frozen solid when we got there.
   我们到达那里时，食物已经完全冻住了。
3. 3.The fisherman had to freeze his catch overnight before selling it.
   渔民不得不把鱼在夜里冷冻起来才能卖。