shop burden是什么意思 shop burden怎么读
shop burden的用法和样例
- He carried his concentrated burden and his perpetual suspense.
他独自负荷着沉重的负担，长期怀着惴惴不安的心情。 - It can improve oxygen supply of heart muscle, burden of heart and left atrial systolic function.
能降低高血压病患者的心肌耗氧量，减轻心脏负荷，改善左房收缩功能。
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