它是箭毒碱，提取自一种南美产的植物。

It is a curare alkaloid derived from the South American plant.

youdao

比如说，有一种叫做箭毒马鞍子的药物，它是一种抑制剂。

So, for instance, there is a drug known as Curare and Curare is an antagonist.

youdao

比如说，有一种叫做箭毒马鞍子的药物，它是一种抑制剂。

So, for instance, there is a drug known as Curare and Curare is an antagonist.

youdao