| 单词 | mountain sickness | 
| 释义 | Word Frequency mountain sicknessnoun 1.  Also called: altitude sickness  nausea, headache, and shortness of breath caused by climbing to high altitudes (usually above 12 000 ft) 2.  veterinary science a disease of cattle kept at high altitude in S and N America, characterized by congestive heart failure  | 
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