【建】 copper strip test
copper; cuprum
【医】 copper; Cu; cuprum
bar; item; order; strip; twig
【化】 bar
【医】 stick; streak; strip
experiment; test; try; try on; try out; examination; experimentation; trial
trial run
【计】 breadboarding
【医】 probation; test; tria
【经】 test; trial