2、心脏性疾病：可以减少回心血量，减轻心脏负担。的翻译：2, heart disease: you can reduce the amount of effort, reduce the burden on heart. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

2, heart disease: reducing venous return, reduce the burden on the heart.

2, heart disease: you can reduce the amount of effort, reduce the burden on heart.

正在翻译，请等待...

2, heart disease: you can reduce the amount of effort, reduce the burden on heart.