脱口说英语口语生活习语
R-4：respond to 有反应
A:You seem to be unhappy. What happened? A:你看上去并不开心，怎么了？
B:My mother is ill in the hospital. B:我妈妈生病住院了。
A:What does the doctor say? A:医生怎么说？
B:The disease fails to respond to drugs. B:这种病无药可治。