created sense approved 滚筒/滾筒 · gǔntǒng · drum
滚筒 / 滾筒
gǔntǒng
drum
a rotating cylindrical part or container within a machine, such as in a washing machine or industrial equipment
这台滚筒洗衣机的洗涤效果非常出色。
noun
created sense approved 滚筒/滾筒 · gǔntǒng · roller
滚筒 / 滾筒
gǔntǒng
roller
a cylindrical tool used for tasks such as painting, printing, or smoothing surfaces
他正拿着滚筒给墙面刷漆。
noun