Nurse:Where is your pain ?患者:胃痛。患者:大约半小时。护士:饥饿时痛吗?护士:吐的血是红色还是黑色?Nurse:According to your symptoms , it looks like you have peptic ulcer .We shall have to take an X-ray picture of your stomach and intestine .If the X-ray picture shows you have peptic ulcer ......