In addition, over time, regular exercise will make your blood vessels become more flexible allowing them to deliver more oxygen rich blood more efficiently.

另外，久而久之，定期的运动将使你的血管更有效率、更灵活地更传送更多富氧的血液。

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In addition, over time, regular exercise will make your blood vessels become more flexible allowing them to deliver more oxygen rich blood more efficiently.

另外，久而久之，定期的运动将使你的血管更有效率、更灵活地更传送更多富氧的血液。

youdao