[tǒng]
[名]
（粗大的竹管） a section of thick bamboo
thick bamboo tube
竹筒
（粗管狀物） thick tube-shaped things
mailbox; pillar-box
信 [郵]筒
chimney; funnel; smokestack
煙筒
brush pot
筆筒
barrel (of a gun)
槍筒
（衣服等的筒狀部分） the tube-shaped part of clothes etc.
sleeve
袖筒兒
the leg of a boot
靴筒兒