1.sensitive adj.敏感的，容易生气的
(教材原句)He's sensitive and rather serious, which sometimes makes him appear to be a little bookish.
他敏感而且相当严肃，这有时使他显得有点儿书生气。
Babies are sensitive to the change in the number of objects.
婴儿对物体数量的变化很敏感。
[归纳探究]
be sensitive to 对……敏感
[联想拓展] 以-tive结尾的形容词：
attractive adj. 有吸引力的 creative adj.有创造性的
negative adj. 消极的，否定的 positive adj. 积极的，肯定的
objective adj. 客观的 subjective adj. 主观的
