v. 使某事物或某人敏感( sensitize的第三人称单数 ); （摄影）使（胶片、纸等）易于感光
英文释义
v make sensitive or aware
v cause to sense; make sensitive
v make sensitive to a drug or allergen
v make (a material) sensitive to light, often of a particular colour, by coating it with a photographic emulsion