responderKK [rɪˋspɑndɚ] /ɹɪˈspɑndɚ/发音名词1救难人员、急救人员、第一线人员常与 first 连用The first responders arrived at the crash site within minutes.救难人员在几分钟内就抵达车祸现场。2回应者、答复者、受访者Most responders to the survey supported longer library hours.多数问卷回应者支持延长图书馆的开放时间。3有反应者医学Only half the patients were responders to the new drug.只有一半的病人对这种新药有反应。用这个字练口说→