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
No such thing as too many at an opening.
展览开幕怎么会嫌人太多呢。
The Christmas tree is gorgeous.
圣诞树真华美。
'Look, sheriff,' said Rockwall,
“好了，好了，司法官，”罗克沃尔说，