| 单词 | orogen | 
| 释义 | orogennoun  oro·gen    ˈōrəjə̇n,  -ˌjen    variants  or less commonly orogene   -ˌjēn     plural -s    1    : a mountain mass that is a unit with respect to origin or uplift   2    : a region of mountain-making disturbance   compare kratogen    | 
	
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