术后密切观察患者生命体征，进食情况，腹痛腹胀，恶心呕吐，是否有呕血及黑便。
After operation, we closely observe the vital signs, eating situation, abdominal pain and abdominal distention, nausea and vomiting, whether hematemesis and melena of patients.
本病临床上多为某些疾病或因素引起的并发症，临床主要表现为呕血，黑便或无明显症状。
The symptoms were mostly caused by certain diseases or complications of factors, clinical manifestations were vomiting blood, black stool or no obvious symptoms.
结果：20例患者的临床表现均无特异性，上腹疼痛最为常见，其次是饥饿痛、腹胀、恶心、呕吐、黑便等。
Results: the symptoms of these 20 patients were non-specific, upper abdominal pain was most common and hunger pain, abdominal distention, nausea, vomiting, melena being the next.
老栓还踌躇着；黑的人便抢过灯笼，一把扯下纸罩，裹了馒头，塞与老栓；一手抓过洋钱，捏一捏，转身去了。
When Old Chuan still hesitated, the man in black snatched his lantern and tore off its paper shade to wrap up the roll.
但是，在做人的面糊里搀上无知，它便变成黑的。
她容纳无数的细流，尽管它们的颜色有黑的也有黄的，一旦流到了海的怀抱，便立刻变成碧绿的了。碧绿是代表和平，代表一种静美。
The numerous small rivers that she accommodates may be of a black or yellow color, but once they flow into her bosom, they instantly take on the green color signifying peace and tranquility.
那黑虎便像一匹小马一样机警，屏幕上的那一幕何等特别！
The tiger is as cute as providing a pony. It is such a magic scene on screen!
早于1995年，周春芽便开始绘画他的德国狼狗黑根。
Zhou Chunya started painting his German wolfhound, Hei Gen, as early as 1995.
进了门，走过灌木，眼前便现出了一所房子的剪影，又黑又矮却相当长。
Entering the gate and passing the shrubs, the silhouette of a house rose to view, black, low, and rather long;
可是狼把它的黑爪子搭在了窗户上，小山羊们看到黑爪子便一起叫道：“我们不开门。”
Then he came back, knocked at the door of the house, and cried, "Open the door, dear children, your mother is here and has brought something back with her for each of you."
可是狼把它的黑爪子搭在了窗户上，小山羊们看到黑爪子便一起叫道：“我们不开门。”
Then he came back, knocked at the door of the house, and cried, "Open the door, dear children, your mother is here and has brought something back with her for each of you."
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