This heart is a tremendous gift, and it's up to me to stay fit and take care of it.

这颗心脏是一个极为贵重的礼物，现在该是我保持健康并且呵护它的时候了。

youdao

You will know when this heart is getting closer because the sound will be deafening.

你将明白何时此心更靠近，因为那个声音将会震耳欲聋。

youdao

The political idea at the heart of this is the primacy of the individual.

其核心的政治观点表现在这里就是个体第一。

《柯林斯英汉双解大词典》

This is dangerous if you already have heart disease or high blood pressure.

VOA: special.2009.03.24

And this belief that's called Calvinist predestination is really at the heart of mainstream English Puritanism at this point.

这种叫做加尔文宿命论的观点,与主流英国清教主义相一致。

耶鲁公开课 - 弥尔顿课程节选

Yeats insists that the heart is an organ of the body, and located in it. This is important.

叶芝相信心灵是身体的器官，置于心灵中，这很重要。

耶鲁公开课 - 现代诗歌课程节选

This is when the heart is the quietest, so it's easiest to get a good image of the organ.

CNN: Heart test can pack radioactive wallop

This is the heart of the old Dean Witter business and it is doing badly.

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This means the heart is somewhat slow to restart between beats.

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