canvasses
n.
检票员，游说者，推销员( canvass的名词复数 );
v.
（在政治方面）游说( canvass的第三人称单数 );
调查（如选举前选民的）意见;
为讨论而提出（意见等）;
详细检查;
例句:
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He canvasses by singing, and the votes have really increased a lot.
他唱歌为自己拉票, 票数还真是增长了不少呢.
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Even the canvasses on the restaurant's walls are up for sale.
连餐厅墙上的绘画作品也能出售.
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Pass across our minds stretched like canvasses.
穿过我们画布般展开的大脑.
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Mozaffar...lived with his canvasses and library in a palatial house in Shah Jamal.
来自W. Dalrymple