a dilatation of blood vessels
英
美
- 血管扩张
双语例句
- A good warm-up dilates your blood vessels, ensuring that your muscles are well supplied with oxygen.
充分的热身运动可以使血管扩张，保证肌肉得到充足的氧气供给。 - During an attack, the blood vessels in the brain dilate and then draw together with stimulation of nerve endings near the affected blood vessels.
当偏头痛发作，大脑中的血管扩张，然后由于神经的刺激而收缩，由此影响血管。
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