1 sentence

1. 医生建议他服用药物以防止血栓形成。

   yī​shēng jiàn​yì tā fú​yòng yào​wù yǐ fáng​zhǐ xuè​shuān xíng​chéng.

   The doctor advised him to take medication to prevent thrombosis.

   Source: Dong Chinese Dictionary