It's just a squirt of local anaesthetic.

这是一种局部麻醉注射器。

In the hope of restoring his eyesight, Tarkington had to go through more than twelve operations within one year. With local anaesthetic! Did he rail against this? He knew it had to be done.

为了恢复视力，塔金顿不得不在一年内进行了十二次以上的手术。用局部麻醉剂！他反对这个吗？他知道必须这样做。