| 单词 | trough roof | 
| 释义 | trough roofnounM roof.  Origin of trough roofAn Americanism dating back to 1900–05 Words nearby trough rooftrouble spot, troublous, trouch, trou-de-loup, trough, trough roof, trounce, troupe, trouper, troupial, trous-de-loup Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 | 
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