However, these abnormal heart sounds may come and go, so they may not be heard at the time of an exam, even if you have MVP.

但是，这些心杂音时有时无，即使是MVP患者，心杂音也未必会在检查时出现。

youdao

However, these abnormal heart sounds may come and go, so they may not be heard at the time of an exam, even if you have MVP.

但是，这些心杂音时有时无，即使是MVP患者，心杂音也未必会在检查时出现。

youdao