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1·The syringe invented by Dr John Meechan, which is among projects recognized with a national award for innovation, will lessen the pain of dental injections by reducing their acidity.

该注射器由Dr John Meechan发明，荣获了国际性发明大奖的公认。该注射器通过减少注射剂酸度，降低了牙科注射带来的疼痛。