permafrost ['pə:məfrɔ(:)st]
n.
[地]永久冻结带
[地]永久冻结带
背单词 permafrost
单词认知/跟读练习/词义回想/单词回想/字母填空/听写练习/选择练习/默写练习/单词测试（初中高）
单词 permafrost 网络释义
名词 n.
1.永久冻土(层)
1.永久冻土(层)
单词 permafrost 其它相关
单词解释
n. (北极地方的) 永久冻土层
n. Permanently frozen subsoil in frigid regions.
同义反义
n. (北极地方的) 永久冻土层
n. Permanently frozen subsoil in frigid regions.
同义反义
单词 permafrost 其它例句
- dry permafrost
干永冻层
- the $4.2 billion line crosses higher terrain than any other in the world, including permafrost which requires elaborate ground-cooling measures to protect the rails from changes in temperature.
n. 永久冻土层
- the $4.2 billion line crosses higher terrain than any other in the world, including permafrostwhich requires elaborate ground-cooling measures to protect the rails from changes in temperature.
permafrost
干永冻层
- the $4.2 billion line crosses higher terrain than any other in the world, including permafrost which requires elaborate ground-cooling measures to protect the rails from changes in temperature.
n. 永久冻土层
- the $4.2 billion line crosses higher terrain than any other in the world, including permafrostwhich requires elaborate ground-cooling measures to protect the rails from changes in temperature.
permafrost
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