cannister
['kænistə]
n. [军]（防毒面具的）滤毒罐；（放咖啡，茶叶，烟等的）小罐
vt. 装箱
同义词
参考例子
1.Don't move units in front of your cannons - especially when your artillery have cannister selected.
不要在加农炮炮口前调动部队——特别是在加农炮开霰弹射击的时候。
2.The student is believed to have been shot during a scuffle after a cannister of tear gas was discharged.
这个学生是在群殴中，有人投掷了催泪罐后被枪打伤的。
3.There are rooms filled with hundreds of petrol cannister-sized batteries that can run the centre briefly if both power supplies fail.
楼内还有若干房间，里面装满了数百块汽油罐大小的电池，如果两座变电站同时发生故障，这些电池可以暂时维持中心的运转。
英文解释
n.
1.metal container for storing dry foods such as tea or flour
网络释义
cannister
滤毒罐; 碳罐;