求翻译：3、腹痛较重或大便潜血阳性者进食半流食、消化道有明显出血者应禁食，注意观察生命体征及大便颜色，及时送检。是什么意思？

3, severe abdominal pain, or fecal occult blood positive semi-liquid food consumption, gastrointestinal bleeding should be obvious fast, observe vital signs and stool color, and timely submission.

3, abdominal pain heavy or large blood-positive eating semi-liquid diet, digestive tract, there are obvious bleeding should observe fasting, and the life of color, and timely.

3rd, the abdominal pain is heavy or the bowel movement dives the blood masculine gender feed partly to flow the food, the digestive tract has the obvious bleeder to be supposed to fast, the attention observation life symptom and the bowel movement color, deliver promptly examine.

Heavy 3, abdominal pain or fecal occult blood-positive people eat half-liquid diet, digestive tract visible bleeding should be fasting, observe the vital signs and stool color, submitted in a timely manner.

3rd, the abdominal pain is heavy or the bowel movement dives the blood masculine gender feed partly to flow the food, the digestive tract has the obvious bleeder to be supposed to fast, the attention observation life symptom and the bowel movement color, deliver promptly examine.