Canvasback
n. (产于北美的)帆布潜鸭(因其背羽呈帆布色而得名)
🗣️ 情景例句
Yes, a pediatrician.
是的， 小儿科医师。
Don't be afraid.
不要害怕。
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。