screw

A thin pointed piece of metal with a raised line going round it, that you turn round and round to fix things together or fix something to a wall.
螺絲(釘)
"Dad used four screws to fix the shelf to the wall."

A thin pointed piece of metal with a raised line going round it, that you turn round and round to fix things together or fix something to a wall.
螺絲(釘)
"Dad used four screws to fix the shelf to the wall."