Many signs, or symptoms, only appear years after the disease sets in.

许多症状只有在发病数年后才会出现。

High blood pressure is a frightening disease because most people have no signs or symptoms.

高血压史一种很恐怖的疾病因为大多数人之前并不会有任何预兆迹象。

One challenge of diagnosing celiac disease is that there are no classic signs or symptoms.

诊断乳糜泻的一个难点是这种疾病没有明显的预示和症状。

We often pair telltale with the words " sign" or " symptom."

我们经常将“telltale”与“sign”或“symptom”这两个词搭配使用。

Signs, or symptoms, of the sickness usually start three to 10 days after an insect bite.

这种疾病的体征或症状通常在昆虫叮咬后3至10天开始出现。

Clots can also occur in veins in the abdomen, potentially causing signs or symptoms associated with injury to the liver, spleen or intestine.

血栓也会出现在腹部静脉，可能造成肝、脾或肠道损伤的症状或体征。