| 单词 | soffit | 
| 释义 | Word Frequency soffit(ˈsɒfɪt) noun 1.  the underside of a part of a building or a structural component, such as an arch, beam, stair, etc 2.  Also called: crown, vertex the upper inner surface of a drain or sewer    Compare invert (sense 6) Word origin C17: via French from Italian soffitto, from Latin suffixus something fixed underneath, from suffīgere, from sub- under + fīgere to fasten | 
	
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