Permafrost
n. [地]永久凍結帶
?? 牛津釋義
permafrost
n[U]
subsoil that is permanently frozen, eg in polar regions 永凍土, 永凍層（如在極地的）.
??? 情景例句
I don't like to sponge.
我不想老蹭別人的東西。
The course of true love never did run smooth.
好事多磨。
She dressed herself hastily.
她匆忙穿上衣服。