The oil was stored in a film cannister .

把精油储存在胶卷盒里。

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。

Lahore , pakistan : an injured police officer lies on the ground while a teargas cannister discharges in the compound of a police academy after it was attacked by gunmen

巴基斯坦拉合尔：在遭到枪手的袭击后，警察学校里扔出了催泪弹，一位负伤的警察卧倒在地上。

Meanwhile , he produced a cannister of mace healways carries , which did not surprise me , given the amount of enemieshe must make .

这时候，他手上突然出现一个mace喷雾剂，我觉得没什么好奇怪的，想想他平时得对付多少敌人就知道了。