冰冻期

例句：

1. 1. The ice is so thick that it's hard to walk on.
   冰太厚了，很难走。
2. 2.She put the milk in the freezer to keep it cold.
   她把牛奶放进冰箱里保持冷冻。
3. 3. The fisherman had to freeze for hours before he could get a boat out of the harbor.
   渔民不得不在港口外冻上几个小时才能划船出去。