| 释义 |
Straining to lift heavy weights can lead to a rise in blood pressure.用力提重物会导致血压升高。Heavy weights should be lifted with a straight back.提重物时背要挺直。Make sure you bend your knees when you're picking up heavy objects.提重物时一定要屈膝。If you have back problems you should avoid lifting heavy objects.要是你的背有毛病，就应该避免提重物。Straining to lift heavy weights can raise your blood pressure.用力提重物会导致血压升高。 |