[with obj.]cause (someone or something) to respond to certain stimuli; make sensitive 使敏感 the introductory section aims to sensitize students to the methodology of the course. 引言一节的目的是使学生对本课程的方法论敏感。 ■make (photographic film) sensitive to light 使(照相胶卷)感光 the kit sensitizes any 35 mm film in hours. 这套用具能使35毫米胶卷在数小时内感光。 ■(常作be sensitized to)make (an organism) abnormally sensitive to a foreign substance 使(有机体)敏感 the workers had been immunologically sensitized to the enzyme. 工人们已在免疫系统上对酶过敏了。