【医】 ammonium sulfate test
vulcanization
【化】 cure; sulfofication; sulfurization; sulphidizing; vulcanization
xanthation
【医】 sulfurize
ammonium
【化】 ammonium
【医】 ammonio-; ammonium
experiment; test; try; try on; try out; examination; experimentation; trial
trial run
【计】 breadboarding
【医】 probation; test; tria
【经】 test; trial