| 例句 |
A typical heart attack from a cholesterol clog or blood clot would not have torn those fibres.由胆固醇栓塞或者血凝块引起的典型心脏病发作是不会撕裂这些纤维的。In some patients with thrombocythemia, blood clots can be a serious problem.在一些患有血小板增多症的病人中，血凝块可能造成很严重的问题。Heparin injections are used to prevent blood clots in people undergoing dialysis and surgery.肝素注射是用来防止接受透析或手术的患者体内出现血凝块。 |