When you train over a period of time your heart will grow in size, allowing it to pump a larger volume of blood with each stroke (or pump).

当你运动训练过一段时间以后，你的心脏体积将变大，每一次跳动(或撞击)可以输送更多的血。

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Traditional blood analyzers can count cells and extract information about their size, but they cannot take pictures of every cell because no camera is fast enough and sensitive enough for the job.

传统的血液分析器能够计算血细胞流动的数量，并能计算出血细胞的大小尺寸，但由于拍摄速度的限制，现有的技术并不能对血细胞进行详细拍摄。

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Scientists then took digital photographs of the blood vessels at the back of each child’s eye and calculated their size.

然后科学家们拍摄下了孩子们后眼血管的数码图像，并分析了血管的大小。

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If a tumor starts to grow and it doesn't develop a vascular supply it doesn't develop blood vessels in it, then it can't get bigger than a certain size and there's lots of evidence from many cancers showing that this is true.

如果肿瘤生长时,没有形成新的血管以维持供血,肿瘤内部也没有血管的话,它的大小将非常有限,这一结论已有许多科学成果可以证明

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Now, the company will reward only those workers who meet healthy standards for blood pressure, glucose, cholesterol, triglycerides and waist size under 35 inches for women and 40 inches for men.

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