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
You're not so bad yourself, Son.
你自己也不错，儿子。
It's windy this afternoon.
今天下午起风。
To answer this question, von Frisch and his coworkers set up a feeding place close to the hive.
为了回答这个问题，冯·弗里施和他的同伴在蜂箱附近建起了一个喂食点。