hemlock oil

例句：

1. 1. The hemlock oil was used to treat a variety of skin conditions.
   香胶油被用来治疗各种皮肤疾病。
2. 2.Hemlock oil is a natural remedy for headaches and anxiety.
   香胶油是治疗头痛和焦虑的自然疗法。
3. 3.During the Civil War, hemlock oil was often used as a painkiller.
   在内战期间，香胶油常被用作止痛药。