| 单词 | tectonics | 
| 释义 | tectonicsnoun  tec·ton·ics  tek-ˈtä-niks      plural in form but singular or plural in construction     1    : geologic structural features as a whole   2   a     : a branch of geology concerned with the structure of the crust of a planet (such as the earth) or moon and especially with the formation of folds and faults in it    b     : tectonism    | 
	
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