由英国诺丁汉马太·威尔金斯发明、美国梅斯继续开发的“斯托帕·雷得”喷雾，是一种装在密封容器中的、有粘性的、可在紫外光下发光的红色染色凝胶。

The StoppaRed, devised by Matthew Wilkinson of Nottingham, England, and developed in the U.S. by Mace, sprays aggressors with a sticky and ultraviolet red-marker gel from a pressurized container.

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