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
The odds are she'll decline the invitation.
恐怕她会谢绝邀请。
Every one's faults are not written in their foreheads.
知人知面不知心。
There are some newspapers on the table.
桌上放着几份报纸。