touch needle

例句：

1. 1. The doctor used a touch needle to numb the area before stitching.
   医生用触摸针在缝合前给该区域麻醉。
2. 2. The artist carefully touched a needle through the fabric.
   艺术家小心翼翼地穿过布料触摸一根针。
3. 3. The nurse quickly touched the needle to the patient's arm.
   护士迅速将针头刺入患者的手臂。