canisterKK [ˋkænəstɚ] /ˈkænəstɚ/名詞1罐、筒、密封罐She keeps the flour and sugar in matching metal canisters.她把麵粉和糖裝在成套的金屬罐裡。2鋼瓶、壓力罐、噴罐We took a spare gas canister for the camping stove.我們多帶了一個瓦斯罐給露營爐用。3彈筒、彈罐Police fired tear gas canisters into the crowd.警方朝人群發射催淚瓦斯彈。4濾毒罐、濾罐Replace the canister on your respirator every six months.防毒面具的濾毒罐每六個月要更換一次。