canister

canister
noun
  1. a round or cylindrical container, typically one made of metal, used for storing such things as food, chemicals, or rolls of film
    (尤指装食物、化学制品或胶卷的金属)圆筒,圆罐
    ■a cylinder of pressurized gas, typically one that explodes when thrown or fired from a gun
    (尤指掷出或用枪发射而爆炸的)加压气体圆桶
    riot police fired tear-gas canisters into the crowd.
    防暴警察向人群发射催泪弹。
    ■[mass noun](historical)small bullets packed in cases that fit the bore of a gun
    (史)榴霰弹
    another deadly volley of canister.
    又一阵致命的霰弹。
语源
  1. late 15th cent. (denoting a basket): from Latin canistrum, from Greek kanastron 'wicker basket', from kanna 'cane, reed' (see cane)
英语宝典
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