canvas-back
英式音标：canvas-back怎么读
美式音标：canvas-back怎么读
canvas-back英文词源
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- canvas-back (n.)
- also canvasback, 1785 as a type of North American duck. Earlier as an adjective for a type of garment made of expensive stuff in front and cheap canvas in the back (c. 1600); from canvas (n.) + back (n.).