cartridge
noun [ C ] uk/ˈkɑː.trɪdʒ/ us/ˈkɑːr.trɪdʒ/
（设备中可替换的）芯，囊，管，筒
a small part with a particular purpose that can be easily replaced with another similar part, used in a larger piece of equipment
an ink/printer cartridge 墨水囊／打印机墨盒（或色带盒）
弹药筒；弹膛
a small tube containing an explosive substance and a bullet for use in a gun