Comparing the two images showed increases in heart strain, which can be a precursor for heart problems.

比较前后两个图像，可以看出心脏压力的增加，这可能是心脏问题的前兆。

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His heart won't stand the strain much longer.

他的心脏对这种压力承受不了多久。

《牛津词典》

But when doctors told Mrs Whitfield, who suffers from heart defect mitral stenosis, that she was putting a strain on her heart serious enough to require an operation, she decided to take action.

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Prof Kivimaki said the evidence of a direct effect of job strain on the heart was mixed.

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Wearing the suits, looking smart and talking about football - no strain on the heart at all.

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