define

v. /dɪˈfaɪn/ B1

给……下定义；界定

To explain or state the exact meaning of something clearly.

仙境例句

Alice could not define Uglification, and the Gryphon cried out in surprise.

爱丽丝说不出“丑化”是什么意思，狮鹫惊讶得叫了起来。