Question

canvass 【canvass】n. 招待（顾客）兜售The salesman canvassed the whole city for subscriptions of the magazine.推销员走遍全城找人订阅杂志。

Accepted Answer

['kænvəs] 
canvassget the opinions (of people) by asking specific questions
A canvass is a poll, usually a political one. Around elections, political parties often canvass particular neighborhoods, looking for votes and trying to measure the pulse of the people.
You might think of canvass as the heavy cotton cloth that is pronounced the same although spelled with only one s, that is, canvas. Canvas is used to cover things, and a canvass serves the same sort of purpose. Before elections, politicians want to cover their neighborhoods and districts with canvasses, campaign workers, flyers and the like in hopes of securing votes.
All forms of 'canvass' will appear on average once every 1862 pages.canvass

Front	canvass
Pron	['kænvəs]
Back	【canvass】 n. 招待（顾客）兜售 The salesman canvassed the whole city for subscriptions of the magazine. 推销员走遍全城找人订阅杂志。
Vocab	canvassget the opinions (of people) by asking specific questions A canvass is a poll, usually a political one. Around elections, political parties often canvass particular neighborhoods, looking for votes and trying to measure the pulse of the people. You might think of canvass as the heavy cotton cloth that is pronounced the same although spelled with only one s, that is, canvas. Canvas is used to cover things, and a canvass serves the same sort of purpose. Before elections, politicians want to cover their neighborhoods and districts with canvasses, campaign workers, flyers and the like in hopes of securing votes. All forms of 'canvass' will appear on average once every 1862 pages. canvass

Canvass Political Elections Cover Kænvəs N 招待（顾客）兜售 Salesman