The accumulation of acidic waste may block capillaries and obstruct bloodstream inducing hematuria, nephritis or even cancers.

酸性废弃物堆积，使附近的毛细血管被堵，血液循环不畅，易导致糖血尿、肾炎及各种癌症。

youdao

Speaking to Xinhua news agency ahead of the visit, he said he would update Chinese leaders on "what are the obstacles that block" dialogue with Israel, and would ask Beijing "to use its relationship with Israel to remove the obstacles that obstruct the Palestinian economy".

BBC: Abbas and Netanyahu on separate China visits