n.罐；筒；霰彈筒；防毒面具的濾毒罐
She restored the tea canister to its place. 她把茶葉罐放回原處。
The flame was carried in a special metal canister. 火舌被放置在一個(gè)特殊的金屬罐中。
My fingertips could barely touch the film canister. 我的手指勉強(qiáng)能觸及那個(gè)膠卷筒。
