acute toxic symptoms

例句：

1. 1. The surgeon used an acupuncture needle to treat the patient's pain.
   外科医生使用针灸针来治疗病人的疼痛。
2. 2. The new software has acute performance improvements.
   新软件有显著的性能提升。
3. 3. The scientist detected an acute change in the chemical composition of the sample.
   科学家检测到样品化学成分的急剧变化。