ca
nis
ter
复数形式
canisters
2
霰弹筒, 霰弹弹药
a metallic cylinder packed with shot and used as ammunition in a firearm
3
罐, 暗盒
a cylindrical metal container that is used for storing a roll of film
A canister is a small, typically cylindrical container used to store and protect film rolls, reels, or cartridges safely. These canisters help preserve the film from damage, light exposure, or contamination, ensuring the quality of the recorded images or footage remains intact until it is used or processed.