/rɪ'spɒnsɪv; rɪ`spɑnsɪv/
adj
1 ~ (to sb/sth)
(a) responding warmly or favourably; sympathetic 反应热烈的或良好的; 赞同的; 支持的
*a responsive class, audience, etc 积极应答的班级、反应很热烈的观众
* be responsive to suggestions, ideas, criticisms, etc 对建议、意见、批评等表示欢迎.
(b) [usu pred 通常作表语] reacting quickly or favourably; easily controlled 反应灵敏; 易受控制
*These brakes should be more responsive. 这些制动器应该更灵敏些.
* a flu virus that is not responsive to treatment 不易治疗的流感病毒
* a horse responsive to the needs of its rider 很好骑的马.
2 [esp attrib 尤作定语] given or made as an answer 回答的; 应答的
*a responsive smile, gesture, wink, etc 表示回应的微笑、手势、眨眼等.

adj
reacting quickly, in a positive way
　a car with highly responsive steering
responsive to
　We try to be responsive to the needs of the customer.
　Her condition is not responsive to drug therapy.
eager to communicate with people, and to react to them in a positive way
　I tried to get him talking, but he wasn't very responsive .
>responsivelyadv
>responsivenessn[U]