例句 /

Its clinical manifestations are so close to those of acute appendicitis that a differentiation between the two diseases is usually impossible before operation.

Its clinical manifestations are so close to those of acute appendicitis that a differentiation between the two diseases is usually impossible before operation.

它的临床症状和急性阑尾炎几乎无法分辨,因此通常只有在手术时才能诊断出来。