1N-COUNT 彈殼;彈藥筒 A cartridge is a metal or cardboard tube containing a bullet and an explosive substance. Cartridges are used in guns. 彈殼;彈藥筒
2N-COUNT (機器、設備等可更換使用的)盒,筒 A cartridge is part of a machine or device that can be easily removed and replaced when it is worn out or empty. (機器、設備等可更換使用的)盒,筒
Change the filter cartridge as often as instructed by the manufacturer.