2.Here.&quot；can&quot；has three meanings： &quot；to be able，&quot；&quot；to open，&quot；and &quot；a can.&quot。3.The sentence is a relative clause.and the part after the comma is used to modify the noun &quot；canner.&quot。4.Literal translation： Can you open a can like a canner。5.Free translation： Can you open a can as if you were a canner。