It suggested that the acute toxicity of CBN may be related to the systems of respiratory, circulation and central nervous.

提示，CBN急性中毒时主要作用在呼吸及循环系统，并涉及中枢神经系统。

youdao

Toner, toner particles can not be melted in the body excrete difficult, long-term inhalation or inhalation of a lot of time, then likely to cause respiratory disease, and toner little toxicity;

碳粉，碳粉颗粒在人体中不能被融化排泄困难，长期吸入或者一次性吸入很多的话容易造成呼吸道病症，而且碳粉有点毒性；

youdao

The inquest was told the post-mortem examination gave the cause of death as alcohol toxicity and the singer probably suffered a respiratory arrest.

BBC: Amy Winehouse inquest: Singer drank herself to death