permafrost
🇺🇸
/ˈpɜːrməfrɔːst/
🇬🇧
/ˈpɜːməfrɒst/
noun
R
ground that stays frozen all year round, found in very cold places
The melting of permafrost can cause problems for buildings and roads.
永凍土的融化可能對建築物和道路造成問題。
translation
永凍土
詞形變化
Plural
permafrosts