As the boat moved slowly up the East River in New York, the doctors put President Cleveland to sleep with an anesthetic drug.

VOA: special.2010.06.17

It's also used as a local anesthetic for other types of small procedures.

它还会在一些小的治疗过程中,作为局部麻醉剂使用。

麻省理工公开课 - 化学原理课程节选