Permafrost
n. [地]永久冻结带
📖 牛津释义
permafrost
n[U]
subsoil that is permanently frozen, eg in polar regions 永冻土, 永冻层（如在极地的）.
🗣️ 情景例句
Could you have a taxi waiting for me, please?
能否叫辆出租车等我？
Nothing so bad but might be a blessing.
塞翁失马，焉知非福。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？