胃痛和肠易激等症状都可能是肠癌的征兆。

Symptoms such as stomach pains and irritable bowels can be signs of bowel cancer.

《柯林斯英汉双解大词典》

通常来说，高血压并没有明显的征兆或症状。

High blood pressure often has no signs or symptoms.

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按照日常牙科保健技巧仔细刷牙，并了解哪些征兆和症状值得去看牙医。

Brush up on daily dental care tips, and know which signs and symptoms deserve a dentist's attention.

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