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
v make sensitive or aware
s having an allergy or peculiar or excessive susceptibility (especially to a specific factor)
vt. 使敏感（等于sensitize）
vi. 变得敏感（等于sensitize）