canister

n 1 small (usu metal) container for holding tea, coffee, etc （通常为金属的）小罐（装茶叶、 咖啡等）. 2 cylinder, filled with shot or tear-gas, that bursts and releases its contents when fired from a gun or thrown 霰弹筒（内装弹丸或催泪气体, 以枪炮发射或投掷後爆炸）.

candid, candidacy, candidate, candidature, candidly, candidness, candied, candle, candle-light, candlepower, candlestick, candlewick, candor, candour (US candor), candy, candy-floss, candytuft, cane, cane-sugar, canine, canker, cankerous, cannabis, canned, canned music, cannelloni, cannery, cannibal, cannibalism, cannibalization, -isation, cannibalize, -ise, cannily, canniness, cannon, cannon folder, cannon-ball, cannon-fodder, cannonade, cannot, cannot afford sth. to do,