But breathlessness could also indicate a heart attack or heart failure.

但是，呼吸困难也可能暗示心脏病发作或心衰。

youdao

There had been no sign of either breathlessness or chest pain before the heart attack.

心脏病发前并未出现呼吸困难或胸痛的病征。

youdao

There had been no sign of either breathlessness or chest pain before the heart attack.

心脏病发前并未出现呼吸困难或胸痛的病征。

youdao