bloodcurdler

例句：

1. 1. The medication is a bloodcurdler that can cause severe allergic reactions.
   这种药物是一种血凝剂，可能导致严重的过敏反应。
2. 2.The doctor prescribed the anticoagulant to prevent blood clots.
   医生开了抗凝血剂来预防血栓。
3. 3. Blood curdling screams echoed through the halls as the ghostly figure approached.
   随着幽灵般的身影接近，恐怖的尖叫声在大厅中回荡。