A clean heart is a free heart.

一颗纯洁的心，是自由的心。

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Between them they have developed the world's first wireless-powered, driveline-free heart pump.

他们已经开发出世界上首个通过无线电驱动的，不需要输电线的心泵。

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The cloud was spread far away and the boundless is the free heart of those children, the old tree was silent but life sprout.

绵云四散飘零，无穷那是孩童嬉闹的自在心，古树语默，生命萌动。

youdao

A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

In future, therefore, it may be possible to pop a pill or have a shot to keep you both free of heart disease and lithe of limb.

ECONOMIST: Bugged by disease

Since the FDA gave the big thumbs up to a fully implantable artificial heart earlier this month, cardiac surgeon "Bud" Frazier and his team at the Texas Heart Institute aren't wasting any time in developing what they hope will be a fully-functioning, pulse-free artificial heart.

ENGADGET: HeartMate II: the pulse-free artificial heart

In my hunger to free my heart, I suited up in firefighting gear and went back into a "controlled" fire to face and heal my fears of fire as an adult, not as a scared little girl trapped with the beast in my grandparents' basement years ago.

CNN: 'They call me burnt toast'