asymptomatic

Asymptomatic carriers played a significant role in spreading the virus before testing became widespread.在检测普及之前，无症状病毒携带者在病毒传播中扮演了重要角色。

Many people with hypertension are asymptomatic and unaware of their condition.许多高血压患者都是无症状的，并且没有意识到自己的病情。