Stiff blood vessels make your heart work harder. This low-tech test may help you prevent a heart attack.

血管硬化会使心脏工作更困难。这种低科技测试有可能帮助你预防心脏病发作。

youdao

For example, your body reacts to stressful situations by raising your blood pressure and making your heart work harder.

例如，身体对紧张和压力的反应是血压升高同时心脏加速。

youdao

Increased blood volume makes your heart work harder to move more blood through your blood vessels, which increases pressure in your arteries.

血量的增加将加重心脏负担，血管内的血量也会随之上升，进而加大动脉的压力。

youdao

For example, your body reacts to stressful situations by raising your blood pressure and making your heart work harder.

VOA: special.2009.03.24

So I'm partially going to retract what I had said about the Lady's place at the very heart of this work.

所以我要部分收回,我之前说的关于小姐在这个作品中的核心地位。

耶鲁公开课 - 弥尔顿课程节选

The Lady is at the dogmatic heart of this relentlessly didactic work of literature.

这个夫人就是文学教条主义,不懈的说教工作的核心。

耶鲁公开课 - 弥尔顿课程节选

The 38-year-old Skelton was adamant his heart and work-rate will overcome Williams' greater experience.

BBC: SPORT | Boxing | Williams set to challenge Skelton

They might easily exhaust, as they are asking their heart to work harder than it has in a while.

FORBES: What's It Like Experiencing Gravity After Being In Space For 6 Months?

Playing sport in conditions of high altitude places heavy demands on the body, forcing the heart to work harder.

BBC: Fifa bans high-altitude football