Caput nuclei caudati

例句：

1. 1. The patient's condition worsened significantly after the surgery.
   手术后，患者的病情显著恶化。
2. 2. The physicist used a new technique to analyze the data more efficiently.
   物理学家使用一种新的技术更有效地分析数据。
3. 3. The researcher discovered that the new drug had unexpected side effects.
   研究者发现这种新药有意想不到的副作用。