单词	polar circle
释义	polar circle noun : either of the two parallels of latitude each at a distance from a pole of the earth equal to about 23 degrees 27 minutes Word History First Known Use 1556, in the meaning defined above
随便看	distending distends distensibilities distensibility distensible distension distensions distensive distent distention distentions disterminate disthene disthrone disthronize disti- distich distichal Distichlis distichous distichs distil distill distill house distillable

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