congealed ground是什么意思 congealed ground怎么读
congealed ground的用法和样例
- Snow soon blanketed the frozen ground.
冻土上很快就形成了一层厚厚的积雪。 - If the permafrost melts, prodigious amounts of trapped methane gas will burp out of the once frozen ground.
二是暖化到什麽程度时，会使北极的多年冻土融化？
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